You are here:

Auto Air Conditioning & Heater Repair/Questions Answered by Expert Candido Figueroa

SubjectDate Asked
a/c 93 chevy 25009/15/2010
  Q: a/c was working great last night today compressor wont engage at all no evidence of leaks.what do i ...
  A: You will need to get a manifold gauge set installed to check the pressures. If you do not have one ...
Fan Outlet controls8/26/2010
  Q: I have a 1997 Ford Ranger truck (2.3L) that I recently took to the shop to have its alternator ...
  A: On the passenger side of the engine compartment you will find a vacuum hose that is attached to the ...
2000 Dodge Ram 1500 air conditioner problem8/26/2010
  Q: I have had this truck for about 9 months. Ever since I have had it there has been a problem with ...
  A: You will need to check the CHECK VALVE that controls the vacuum to the air doors. Also check the ...
my 95 tahoe overheating when using air conditioner8/11/2010
  Q: Why would my 95 chevy tahoe start overheating when i start using my air conditioner when i'am ...
  A: Need to have it checked it could be you fan clutch. When you use your A/C your system temp. will ...
1999 Ford Taurus Air Conditioning7/31/2010
  Q: I charged the unit, the high pressure line is very cold, and wet with condensation,the commpressor ...
  A: Try disconnecting the battery and reconnecting to reset the actuator motors. If this does not work ...
1997 Ford Ranger AC "Fades" Out7/27/2010
  Q: 1. My 1997 Ford Ranger AC will work fine for a while, then puts out humid not-so-cool air. Is this ...
  A: The 97 has R134 system and you need to add R134 not the R12. If you purchase the correct ...
retrofit to 134a problems7/20/2010
  Q: Retrofitting a '93 Ford F150 to R134a. R12 is too hard to obtain. The old compressor had a bit of a ...
  A: Yes it can cause a problem. I would add some refrigerant and let the suction go to about 40psi and ...
1999 Ford Taurus Air Conditioning7/17/2010
  Q: I charged the unit, the high pressure line is very cold, and wet with condensation,the commpressor ...
  A: On a Taurus the line from the compressor to the condenser should be hot the condenser should be hot. ...
2001 stratus AC7/16/2010
  Q: AC on 2002 stratus 4cyl dont work. compressor is not engaging. i believe it's low on freon, but i ...
  A: There is no low pressure switch. This system has a high pressure trinary switch that has a lead ...
98 Wrangler AC clutch won't engage7/16/2010
  Q: I have a 1998 6cyl Wrangler. About two months ago I had the AC recharged due to a slow leak. Well, ...
  A: You really need gauges to determine the problem. I would start by jumping the cycling switch and ...
insufficient cooling7/15/2010
  Q: i have the vw golf 1 cabriolet of 1988.i recently replaced the sd508 with the sd5h14 compressor, ...
  A: Fortunately the compressor can work with R-12 although the seals are for R-134. You would have a ...
a/c doesn't work7/14/2010
  Q: i have a 2000 dodge dakota 5.9 v8 and my a\c shorts out every time i turn it on, even after i ...
  A: You need to disconnect the blower and compressor. Then try turning on the system. If your fuse ...
insufficient cooling7/13/2010
  Q: i have the vw golf 1 cabriolet of 1988.i recently replaced the sd508 with the sd5h14 compressor, ...
  A: The system will run better with R-12 then with R134. I'm glad you still have R-12 in Greece. In ...
rear air7/13/2010
  Q: 1998 Ford Windstar 3.8L with A/C. System was empty/low so I added two cans of R134A. If I remember ...
  A: The cycling switch has two functions 1st to let the compressor know that the temp is cold inside the ...
2003 F150 Lariat A/C7/12/2010
  Q: I have the Digital Thermostat Controls in my F150, and when I select A/C, it will blow out of the ...
  A: Check your vacuum lines in the engine compartment. Let me know if you are testing it while you are ...
A/C Blows cold but not hard7/5/2010
  Q: I have read through your forum in hopes to locate an answer to my dilemma. I have a 1995 Chevy ...
  A: You can remove the blower motor located under the glove compartment. If you remove it you can clean ...
96 Jeep Cherokee7/3/2010
  Q: I have a 96 jeep Cherokee and the a/c works fine but it doesnt throw the air thru the little vents ...
  A: Do not change clutch if system is cooling your clutch is good. It sounds like you have a vacuum ...
Compressor Clutch7/2/2010
  Q: The A/C compressor clutch went out on my 2005 Corolla CE, and my mechanic replaced it with a new ...
  A: 1) Yes as to the pressure switch being there, but your clutch would not over heat for a low ...
Compressor Clutch6/30/2010
  Q: The A/C compressor clutch went out on my 2005 Corolla CE, and my mechanic replaced it with a new ...
  A: Time will tell us if it was defective or not. If it happens again check the relay that controls the ...
2000 Jeep Cherokee6/18/2010
  Q: My daughter has a 2002 Jeep Cherokee Classic 4.0L that the A/C keeps dutting out on. It will run ...
  A: Check the gap between the clutch pulley and the clutch plate. If it has worn out the gap is too ...
Weird A/C problem6/17/2010
  Q: I'm hoping you can provide some feedback although I certainly understand you can't diagnose a ...
  A: The fans are easy open the hood turn your engine on then the ac and look inside the engine ...
Weird A/C problem6/15/2010
  Q: I'm hoping you can provide some feedback although I certainly understand you can't diagnose a ...
  A: If you can get me some pressures I'll be able to give you and better idea. You could have one of ...
cooling fan6/6/2010
  Q: 92 olds ciera 3300 eng. cooling fan does not come on with or without the air cond. running, is there ...
  A: Check power and ground at the fan. If you have both then your fan is bad. If you have power and no ...
Ford F-250 AC compressor replacment5/21/2010
  Q: I have a 1999 F-250 Super Duty 4x4 with the Triton V-10. The AC compressor recently froze up so I ...
  A: Yes you will need to prop the engine up a little. You will need to replace the compressor, ...
'97 Rav4 A/C clutch5/19/2010
  Q: After replacing the condenser & hose assembly, and charging the system back up, the clutch is ...
  A: The Toyota products have a sensor on the rear or bottom of compressor. When you engage the ...
A/C NOT BLOWING OUT VENTS5/18/2010
  Q: I have a 2003 Chevrolet Silverado 1500.... The a/c blows out of the defrost, but will not blow out ...
  A: Actuators are little motors inside the dash board that move the air doors. From what you are saying ...
a/c problem on 02 duramax5/12/2010
  Q: i charged the system to about 38 pounds, but my compressor wouldnt kick in. i checked all the fuses ...
  A: When running your system should be at 25 to 45 psi. It will turn on when you hit 50 psi and will ...
ADual aircon system normal gauge pressure5/11/2010
  Q: I would like to ask 1). What is the normal high side and low side pressure for a dual aircon system ...
  A: 1. low pressures between 25 and 45 psi and high 175 to 225 psi. Dependant on ambient temperature ...
a/c systmem5/9/2010
  Q: 95 gmc suburban 350 engineclutch on compressor won't kick in, all fuses and relays are fine. ...
  A: If your system has dual air then you need to follow the liquid line the one that goes from the ...
97 Dakota A/C problems5/7/2010
  Q: Ok - I recently started to experience A/C problems on my 97 Dakota SLT 5 speed 3.9L V6. The A/C will ...
  A: You need to check the gap between the clutch and pulley if it is too far away then you can move the ...
follow up5/6/2010
  Q: i have a 1998 dodge ram 1500 p-u. 5.3 ltr. engine. here's my problem. i live in southern arizona. ...
  A: Look in the engine compartment on the passenger side. Near the firewall you will find the ...
a/c5/4/2010
  Q: i have a 1998 dodge ram 1500 p-u. 5.3 ltr. engine. here's my problem. i live in southern arizona. ...
  A: You may have a system with vacuums. I need to know if you have an automatic ac system or manual. ...
Silverado Heater Problem5/3/2010
  Q: I have a 2007 Chevy Silverado PU. The heater blows cold air through all temperatures except 90 ...
  A: I had one of these before unfortunately we replaced all 4 temperature sensors that the scanner told ...
2001 Chrysler Town & Country 3.3L : Cabin Blower Speed4/30/2010
  Q: I don't know if my problem is something you look into or not. First, I have the 3-zone automatic ...
  A: If that is the case then, you must have the actuator for the reticulating; air door checked out, it ...
2001 Chrysler Town & Country 3.3L : Cabin Blower Speed4/29/2010
  Q: I don't know if my problem is something you look into or not. First, I have the 3-zone automatic ...
  A: I think I understand what you are saying. It sounds like you have an automatic A/C control. If you ...
2004 Chev dual zone temp controller4/27/2010
  Q: My passenger side air flow is either hot or hotter. It's been that way since new. Any Ideas? ...
  A: No its OK you answered it. You have an actuator problem. I just needed to rule out that the system ...
Compressor cycles, but will not take freon4/23/2010
  Q: 1996 Jeep Grand Cherokee 6-cylinder 4.0 Problem: 1. AC system will not take Freon 2. Compressor ...
  A: I like it when you give me information. Did you charge system while engine was running and system ...
AC compressor failure4/19/2010
  Q: I have owned a 2001 Suzuki XL-7 for about four years. I have had the AC compressor replaced twice. ...
  A: You must replace the drier and condenser although expensive in the long run it is cheaper than ...
97 Tahoe a/c4/19/2010
  Q: I had compressor,drier,o'tube replaced,system flush,vacume done. The output at the dash is @ 42 deg ...
  A: Your cycling switch will not kick off until your low pressure hit 18 psi or so. At idle bring your ...
A/C - defrost odor4/16/2010
  Q: i notice an odor - almost electrical, or 'hot' when i turn on my 05 T&C defrost... not every time - ...
  A: When you turn on the AC do you turn it on to recirculate or fresh air. The reason I'm asking is ...
A/C - defrost odor4/16/2010
  Q: i notice an odor - almost electrical, or 'hot' when i turn on my 05 T&C defrost... not every time - ...
  A: Odors are usually one of four things. If you are missing antifreeze then it could be a heater ...
1997 taurus blend door sticks4/16/2010
  Q: I've deturmaned that the door is sticking on a secoundary flap inside the ducting. If I manualy ...
  A: I can not recall ever having this problem. I would start by either checking the actuator on the ...
Compressor4/16/2010
  Q: No power at compressor,put new clutch and coil.no power at pressure switch.fuses good,no ac service ...
  A: You need to take it to a shop that knows what they are doing. You obviously do not understand what ...
Manual Switch Ranger 044/14/2010
  Q: am having trouble with my Ranger 04 with the air conditioning manual switch, the only selection that ...
  A: Look in the engine compartment from the passenger side by the fire wall. You will see a hose ...
AC dash Vent won't work4/14/2010
  Q: AC works and blows out of defroster and floor vents but will not blow out of dash vents. Been told ...
  A: ON the driver side engine compartment at the fire wall you will find a black round canister. Look ...
AC compressor/92 Deville4/12/2010
  Q: I installed new clutch on compressor,it was determined clutch was bad,and still, clutch does not ...
  A: Lets go with the clutch first. Check and see if the ac service light is on. They may all be ...
2002 Civic AC - Schrader Valve Leak4/6/2010
  Q: I’m having trouble with my 2002 civic AC, and the issue is low pressure. After jumping the low ...
  A: The low should be between 25 and 45 PSI the higher the temperature outside the higher the pressure. ...
2002 Civic AC - Schrader Valve Leak4/6/2010
  Q: I’m having trouble with my 2002 civic AC, and the issue is low pressure. After jumping the low ...
  A: On the Civic's you do not have a low pressure switch you have a high pressure switch on or near the ...
80 Corvette A/c4/6/2010
  Q: A/c compressor will cycle on and off. A/c will not work. Auto shop said problem was with the carb?? ...
  A: IF your car is cycling (turning on and off) then you're probably low on refrigerant. Try and get me ...
05' T&C air conditioning4/5/2010
  Q: How do i get the compressor to run when the freon is low? ANSWER: HI Dan Just add refrigerant do ...
  A: Sorry misunderstood the question. You can go to the accumulator and disconnect the cycling switch. ...
air conditioner problem4/5/2010
  Q: While running A/C in my 2006 subaru legacy the air blows cold and strong for a few minuites then the ...
  A: Next time it happens try and see if your system is freezing up. One way is to pull off the road and ...
air conditioning4/4/2010
  Q: I have a 2003 Ford Ranger Edge with 3 liter v6. The ac compressor will not come on until you have ...
  A: First to check if coil. See if you have current from the beginning. If you do not have current ...
1991 honda crx a/c compressor won't disengage4/3/2010
  Q: 1991 Honda Crx New expansion valve, new a/c thermostat, new condensor, new compressor, new pressure ...
  A: If you are mechanically inclined then you can do it. You must remove the refrigerant and remove the ...
Automotive Airconditioning3/31/2010
  Q: The cabin temperature control in my 2006 Kia Optima 2.0l is not responding and hence the system ...
  A: Try turning the ac button off and make sure the compressor stops working. If it does not then go to ...
HVAC system not working3/31/2010
  Q: I have a 1999 Cadillac Escalade. I just installed a new radio to the car. Now the AC/ Heater does ...
  A: I would start by checking behind radio to make sure all connections to the control are good. If they ...
Heater issue- '97 dodge grand caravan3/29/2010
  Q: The vehicle is a 1997 dodge grand caravan. When I go to turn on the heater, the passenger side vents ...
  A: You can clamp the heater hoses and see if the system cools better. Once you determine that it is ...
90 Silverado R12to134a conversion3/29/2010
  Q: What all should be replaced in converting this system? When replacing parts should I have them look ...
  A: Your good with what you are doing the new compressor come with the seals and oil for 134a. Remember ...
a/c3/28/2010
  Q: I have a 1998 jeep wrangler se (tj),I recently replaced the compressor and low pressure switch which ...
  A: Your evaporator could be leaking and therefore needs to be replaced. The condensation part has ...
Fluid on passenger side floor of 08 DTS3/25/2010
  Q: Today I noticed liquid underneath the floor mat in front of the passnger seat of my 08 Cadillac DTS. ...
  A: When you say liquid do you mean water or antifreeze. If it is water then your drain is probably ...
unidentified problem in AC system3/23/2010
  Q: I have a 1997 Lexus ES 300. My AC is acting weird when the two AC outlet on the driver side just ...
  A: Check your actuators see if they are opening and closing correctly. In other words move your heater ...
ac air flow3/19/2010
  Q: i have a 97 suburban. when i turn the ac on, it only blows out from the bottom vent no matter where ...
  A: Your actuator motor may be bad. First disconnect the battery and reconnect to see if they reset ...
No vent air when accelerating3/17/2010
  Q: I have a 1995 Dodge Ram 1500 6 cylinder and I think I have a vacuum issue. Whenever I accelerate all ...
  A: It is a vacuum leak. Follow the lines in the engine compartment to where they meet at the fire wall ...
Ac Clutch Noisecx4pu3/2/2010
  Q: I have a 2005 silverado, 5.3V8 with 35K miles. I had a shrader valve go bad on the AC and after ...
  A: Ok I think your head pressure is too high at start up. Try and release just a bit. Not too much. ...
Ac Clutch Noisecx4pu3/2/2010
  Q: I have a 2005 silverado, 5.3V8 with 35K miles. I had a shrader valve go bad on the AC and after ...
  A: At 70F you should be at initial start up low 30 high 175 psi max. From a cold start at 70F let me ...
AC Blowing2/28/2010
  Q: I have 1995 GMC Sierra and when I cut my AC on it will blow out and work just fine, but after being ...
  A: Check in the engine compartment by the evaporator case. There you will find a check valve that has ...
Silverado a/c problems2/28/2010
  Q: I have a Silverado 2002 6.6 l Duramax with some a/c issues when pulling a trailer for long ...
  A: This may sound crazy, but we had one and the only thing we did to it was clean the throttle body. ...
98 Blazer Climate Cotrol2/27/2010
  Q: My 98 S10 Blazer has the computerized climate control. No matter where it is set, it blows hot ...
  A: OK you need to isolate which motor is making the noise. You can open the glove compartment and try ...
Actuator on a 2003 ford explorer2/26/2010
  Q: After reading some of your posts regarding heaters stuck on one mode or another, I've concluded I ...
  A: I have tried to attach a picture but system does let me. All I can tell you is that you must remove ...
97 Z-71 A/C clutch2/23/2010
  Q: I have a 97 Z-71 the A/C clutch is screamig at me the whole time the truck is running. How tough is ...
  A: Before you buy anything make sure your compressor is not bad. To replace the complete clutch it is ...
No air blowing from my AC/heater vents2/23/2010
  Q: I own a 1998 Dodge Ram with the 5.9L engine. Whne I turn on the fan, the fan runs but no air comes ...
  A: It sounds like you have a vacuum problem. From the passengers side in the engine compartment look ...
heater resistor2/20/2010
  Q: i have a 2001 suzuki vitara i need to change the heater resistor but dont know how to get the glove ...
  A: The resistor is located at the blower case. To remove the glove box look inside the box on the side ...
2000 Dodge Ram 1500 AC Clutch2/20/2010
  Q: When I'm using heat or A/C in the truck everything seems to run fine, but there is a noise when the ...
  A: Make sure you turn off the ac and see if the noise stops. Then turn on ac and see if it begins ...
cherokee2/17/2010
  Q: In view of the automatic air conditioning.<I thought that if I install automatically controlled air ...
  A: Now I understand why you wanted that. You should be able to control the temperature with your ...
Air conditioner preasure2/17/2010
  Q: in a 1999 Ford F250 v10 7.3L, what should be the reading in the preasure gauge when the A/C System ...
  A: In psi the low should be between 25 and 45. The high should be between 175 and 275. This range is ...
GRAND CHEROKEE A/C2/16/2010
  Q: I'd like to ask you if it is possible to replace manual air condition in jeep grand Cherokee y.2001 ...
  A: It is NOT possible to simply replace the control. You must replace the actuators and the electrical ...
heat air wont blow 2002 mercury grand mar2/12/2010
  Q: All fuses checked relay changed climate control replaced I need help what could it be???
  A: Need to know some more info. Need to get tot he blower and check for power. If you have both power ...
94 Chevy Suburban Heater Control2/11/2010
  Q: The heater control on the dash has power and lights up but is permanently set to cold and none of ...
  A: If you move the control does it change blower speeds and does it move the position the air is ...
R&R a/c-heater control panel2/10/2010
  Q: How do you replace ac/heater control panel/head in dash/1998 chevy astro van Thanks Phil ANSWER: HI ...
  A: If your air is only coming out of the defrost even if you move your control. Then you need to go to ...
Buick century defroster2/9/2010
  Q: I was having an issue with the heater when it ran on high, seemed to pull power from the headlights. ...
  A: On high you may see a voltage drop especially if you are in cold weather. Have them check your ...
noise when heater is on2/8/2010
  Q: when i turn my heater on it makes a load noise squeaking noise is that my blower motor and how hard ...
  A: Verify that the noise is coming from the blower motor. It is located under the dash on the ...
Kia Sportage Air conditioning issue?2/3/2010
  Q: Over the past few days I have noticed that my heat takes longer to get warm and then it only stays ...
  A: I sounds like your heater core is leaking and must be replaced. Not sure what year or engine on ...
fan motor1/31/2010
  Q: the fan on my 2004 dodge 2500 does not work on the lowest 2 speeds could it be the switch or the ...
  A: Definitely the resistor. Look under the dash on the passenger side you will find the blower motor. ...
Heating System1/28/2010
  Q: 2002 Dodge Grand Caravan - Heater worked fine yesterday. Today NOTHING. Any idea where to start? ...
  A: It sounds like your blower or resistor is bad. First check if blower has both ground and power. If ...
AC & Heater actuator door1/27/2010
  Q: I own a 2002 Chevy Suburban when driving it blows out HOT air. I took it to a mecanic and he was ...
  A: You would need a scanner or laptop with the program to connect to the vehicle. Your mechanic should ...
1992 buick a/c1/24/2010
  Q: Many thanks for your interest in helping others in need. My 91 Buick Century blows air at the ...
  A: It is a vacuum problem. More than likely you have the main hose broken or disconnected. From the ...
lexus rx 300 2000 heater problem1/23/2010
  Q: George You are asking the following question to the Cars Experts... hi there. my 2000 lexus rx 300 ...
  A: It does sound like the actuator motor is the problem. I would first try and reset the actuators. ...
1999 GMC Suburban - air not blowing out vents1/21/2010
  Q: My son and his friends took the dash off to put in a new stereo. Now, when I turn on the air or ...
  A: Pull the control out and check all lines for good connection. If you have an automatic ac control ...
2001 Jeep Grand Cherokee Limited Edition1/20/2010
  Q: The blower for my heater suddenly stopped working, I am trying to find a wiring diagram so I can ...
  A: If you have an automatic ac control then you must check your module. It se located underneath the ...
CEL for a/c leak1/20/2010
  Q: My boyfriend has a 2001 Acura Integra GSR, in which the CEL light is on because of an a/c leak. My ...
  A: When your check engine light comes on. What it is saying is that your emissions are not to ...
cool heat and warm air conditioning1/19/2010
  Q: I have an 1999 Jeep GC 4.7litre auto 4X4 dual heat zone. That gives me poor heat and poor AC I get ...
  A: Lets take the heat first. Check the operation by turning on the car letting it get warm and then ...
1999 Buick Regal GS1/18/2010
  Q: The car is equipped with driver and passenger side climate controls The heat works great on both ...
  A: First check your pressures to make sure you have enough refrigerant. But. I'm sure your actuator ...
Air Conditioner1/17/2010
  Q: 2001 Acura MDX Where do I find the accumulator, orifice tube and thermal expansion valve? After I ...
  A: On the MDX your drier is located as part of your condenser. It can be replaced by removing the lid ...
A/C Runs Continuously1/15/2010
  Q: I have a 2000 Dodge Ram 1500 5.2L 318. My A/C runs constantly on all settings even when running heat ...
  A: We need to run some tests. First turn control to off and see if compressor is on or off. Then turn ...
rear heat on 96 express van1/14/2010
  Q: i have a problem my rear heat is blowing cold air I have hot lines running to the back and the ...
  A: At the rear case look for the heater hoses. Then locate the heater door. Find what make it move It ...
blower motor1/13/2010
  Q: I need to relace the blower motor on my 1992 buick century wagon.The one on my car has 2 eletrical ...
  A: The rubber hose is ok. All blowers must have two cables, the positive (Red or Orange) has a small ...
1999 suburban air problem1/13/2010
  Q: I have a 1999 chevy suburban. When I turn the air on, it only blows from the dash defrost vents. It ...
  A: The light may be bad but the control may still be good. Lets check if when you turn on the ac ...
blower motor1/12/2010
  Q: I need to relace the blower motor on my 1992 buick century wagon.The one on my car has 2 eletrical ...
  A: If the one you have on the car has both the electrical side by side then they gave you the wrong ...
2005 Explorer w/rear ac/heat tic-tic-tic1/11/2010
  Q: My 2005 Explorer just started to make a ticking noise while on heat mode. When I had just the vents ...
  A: INSTRUMENT PANEL REMOVAL All vehicles CAUTION: Electronic modules are sensitive to static ...
A/C repair1/10/2010
  Q: I have a 2002 Chevy Silverado 1500 single cab with a v6 engine. The A/C will NOT stop running. ...
  A: You need to check something for me. First check power at the compressor green cable. Next ...
Heat only comes out of defrost1/9/2010
  Q: My heat only comes out of my defrost. It comes out a little bit when I put it on the heat and I can ...
  A: Not sure the hose you are talking about. If it is the one on the control head itself it is small ...
super heat switch wire1/8/2010
  Q: I have a 72 corvette with air. The car is completely original. The air works great. There is a wire ...
  A: I'm not sure if you need the fuse it self or the complete wire. You can call my office 305-468-8387 ...
Heater won't adjust1/8/2010
  Q: The heater on my 98 GMC Suburban doesn't adjust right. It blows from the vents, heater, defroster ...
  A: One of two things is happening . First you can try to reset your control. If you do not have a ...
Honda Civic 20001/8/2010
  Q: My a/c quit working very suddenly. Literally went into a KFC working, came out and nothing. About ...
  A: Check your power and ground at the blower. More than likely you are missing the ground if so then ...
rear air - 96 suburban12/18/2009
  Q: I blew a rear air line on the last charge, the line looks deteriorated, I've heard trying to replace ...
  A: you can repair with compression fittings and hoses. You can also disconnect but you will have to ...
Car Air Conditioning12/17/2009
  Q: My Ford pannel van (1994) air conditiong may need some attention. It cuts out and has been gradually ...
  A: Not sure what weather you have but if you have an ambient temp. over 75 then your pressure at the ...
knocking noise inAC/Heater system12/15/2009
  Q: we have a 2007 chevy impala. within the last 2 weeks we have started to hear a knocking noise under ...
  A: If the sound is more like a click it is probably the actuator motor. It sounds like tic, ...
2002 Dodge 5.2 liter 2500 series van with short cycling A/C compressor12/14/2009
  Q: My engine runs fine until I turn on the heater-A/C switch and then I hear a clicking sound every 15 ...
  A: You need to check your condenser fan motor. Make sure it turn on when you turns on your compressor. ...
air control problem 2004 chevy silverado12/11/2009
  Q: The air control on my 2004 Chevy silverado is not responding. The serpentine belt was replaced and ...
  A: If you have a diesel then you would have a pump, but otherwise it would come from the engine. Check ...
Heater malfunction/92 Caddy Deville12/11/2009
  Q: When I run heater,it only blows from defrost vent.Climate control center has econ,auto,hi and lo ...
  A: The refrigerant does not cause that. Check at the firewall and see if one of your vacuum hoses is ...
mercedes 2002 sprinter air con12/8/2009
  Q: Have no power to the compressor when turned on, won't cut in . Auto electrician can't find the ...
  A: Sorry Bob not to much information on Mercedes products available to the aftermarket. Make sure you ...
Toyota Sienna 2004 A/C12/2/2009
  Q: At nearly 50.000 miles the A/C started shutting off intermittently, after a few months it got worse ...
  A: Your compressor is just fine the problem is at the clutch coil. You can get the coil by itself at ...
AC and heater12/2/2009
  Q: My ac and heater in my 2004 Chevy Avalanche is driving me crazy!! It is a dual system and sometimes ...
  A: Unfortunately your actuator motor is probably broken. You may have heard a clicking sound some time ...
air condition problem 95 dodge ram 150012/1/2009
  Q: 95 dodge ram 1500.My air line to front rad is frosting up and my air condenser is turning off and on ...
  A: Not sure if the knob you are saying is the one with the line red to blue. If it is then make sure ...
2005 Toyota Highlander heater12/1/2009
  Q: We have a problem with our heater. The Heater stays on all the time. We even try to turn the cold ...
  A: Not sure what system you have if it is manual or automatic. But, you can look under the glove ...
air condition problem 95 dodge ram 150011/30/2009
  Q: 95 dodge ram 1500.My air line to front rad is frosting up and my air condenser is turning off and on ...
  A: It sound like your control is not turning off the compressor. Check and see if your compressor is ...
No Heat11/30/2009
  Q: I have a 1998 Dodge Caravan. The blower works fine, but I have no heat. The gauge registers in the ...
  A: These vehicles have an actuator motor located in the dash to control the heater doors. If this ...
Heater / AC is draining my battery when the car is powered off.11/30/2009
  Q: I have a '93 GMC Suburban K2500. I don't drive it very often (at 8mpg, I tend to need a good reason ...
  A: I do not believe that is your problem. You will always have some current at the control that is ...
2003 Suburban a/c Belt Tensioner Banging11/25/2009
  Q: Candido, My problem is the exact same as "2003 Suburban A/C Pressure" asked of you on 7/15/2009 ...
  A: He never let me know. You could have problem with your fan clutch. This will make your pressures ...
2006 Jeep Commander11/25/2009
  Q: The 2006 Jeep Commander I have has begun blowing hot air out of the ventilation system. When I turn ...
  A: We have seen the heater doors breaking in this type of vehicle. Try resetting your actuator motor ...
Heater not working11/18/2009
  Q: Have a 98 Chevy express van. The Heater is blowing cold air. The AC works fine. Blower fan works ...
  A: Need to check if your control is doing what you are asking it to do. In other words is ...
2002 Mitsubishi Galant ES AC/Heater11/17/2009
  Q: My girlfriend has a 2002 Mit. Galant. Her AC blows cold air well but the heat dosen't come on at ...
  A: On the drain issue look for a rubber hose on the passenger side engine compartment near the fire ...
1999 chevy tohoe11/17/2009
  Q: I tried to run my heat and it will only come out of the defrost and it is only blowing cold!!! I ...
  A: You need to have it checked out and let me know something if not there is no way of knowing where to ...
2001 Dodge Ram Heater Problems11/12/2009
  Q: This past summer, I had the A/C repaired on my Ram. It was quite extensive and expensive. Now that ...
  A: Need to know if your system is a manual control or an automatic control. If manual a cable runs it ...
1993 Jeep Grand cherokee Heat11/11/2009
  Q: I can not get my heater to work. It is stuck on refresh and nothing else works.How can I get the ...
  A: We will need to go step by step. First does the control change numbers and positions for the air to ...
blend door actuator11/10/2009
  Q: The 2006 Buick Rendezous has dual controls for the A/C, Heater. When I turn on the heater heat comes ...
  A: The actuator is what has gone either bad or out of range. If it is out of range you can fix by ...
2005 Pontiac Vibe11/9/2009
  Q: My a/c and heater doesn't blow. Will replacing the blower fix the problem?
  A: It is very possible that the blower is bad. You must also check your blower module (resistor). ...
A/C Blows hot air out of one set of vents11/8/2009
  Q: I have a 2007 Chevy Silverado Classic Pickup truck. Right before the warranty ran out on the truck ...
  A: Only one of two things is causing that. The most common is the actuator that lost its programming ...
a/c11/4/2009
  Q: hi again i ask a question about where is my accumlator in a 2004 caddy srx you sent me a answer back ...
  A: DESICCANT BAG REPLACEMENT REMOVAL PROCEDURE Recover the refrigerant. Refer to Refrigerant ...
Air Conditioning10/30/2009
  Q: My a/c was working just fine. My transmission went out and I took it in for a rebuild. When i got ...
  A: I am sure the transmission had nothing to do with what is happening with ac. Try and disconnect the ...
Heater problem10/29/2009
  Q: I have a 2004 Ford Ranger and this summer I had a problem with my a/c unit only working ever now and ...
  A: Not sure what your question is, but if you can tell me if the blower is working all the time or not ...
2004 Kia Sedona rear AC10/29/2009
  Q: I got your address from the internet and hope you don't mind if I ask for your advise. My compressor ...
  A: Need to know if you have ever had the system worked on and what is your pressures on the low side ...
heater will not blow hot air10/11/2009
  Q: The heater in this car will not blow hot air. I troubleshot it for awhile and found that the a/c ...
  A: Pull your ac button knob and make sure that it is not broken. Fords tend to break quite easily. ...
A/C compressor10/11/2009
  Q: I have a 1997 Ford Ranger. The compressor does not come on when the dash switch is placed in the a/c ...
  A: It sounds like you need to replace the switch you jumped. That is called the cycling switch. That ...
Orifice tube location10/9/2009
  Q: Where is the A/C orifice tube located on an 96 buick regal, Gran Sport. Thanks
  A: Follow the line that goes from the condenser (in front of the radiator) to the evaporator located ...
Air conditioner/heater repair cost estimate10/6/2009
  Q: The air conditioner/heater unit in my 2000 Honda Civic needs replacing. I've received a repair ...
  A: If you are replacing every single part the estimate may be Ok maybe. But if you had ac before you ...
AC not Cold & heater not Hot10/4/2009
  Q: I've got a good question for you, I have a 1997 Mercury Mountaineer, which blows air like normal, ...
  A: Lets start with the cool side. Check your pressures and see if your compressor is working. If it ...
Ford f150 a/c10/3/2009
  Q: I have a 1998 Ford F-150, 4.6L engine. The a/c works, but not as good as it has in the past. It ...
  A: Check your pressures you may be low on refrigerant. On these vehicles we are finding a lot of ...
1972 Chevy Suburban heater with A/C9/30/2009
  Q: The plastic housing to my cabin heater has cracked and an air flap that directs the heated air ...
  A: I do not know of any web sites. The only place to get those replacement parts is usually the dealer ...
no power to a/c9/30/2009
  Q: I have a 1996 chevy pickup and right under the a/c-heater controls there are two push buttons one is ...
  A: Start by checking to see if you have refrigerant in system. If you do then check your cycling ...
A C PRESSURE SWITCH9/29/2009
  Q: QUESTION A NORMAL PRESSURE SWITCH ON THE RECEIVER DRYER MAKE A POSITIVE CONTACT ? AFTER THE 4TH ...
  A: Not sure which car you are speaking about. If you do that you are disconnecting the cycling switch ...
1994 Ford Ranger 4.3L air conditioning9/28/2009
  Q: I have a 1994 ford ranger 4X4 and the air conditioning is just blowing cool but not cold air from ...
  A: Find the accumulator located at the evaporator case. There you will find a service port. Attach ...
Saturn Fan Runs...9/27/2009
  Q: 1996 Saturn A/C fan turns on high speed with engine off and key out of ignition. When relay is ...
  A: Try this 1. Disconnect battery cable remove relay. Reconnect battery and see if fan runs. If ...
heat9/27/2009
  Q: On the passenger side cold air sometimes comes out (especially at higher vehicle speed) while ...
  A: Sorry I miss understood the question thought you had problems with ac not cooling correctly. This ...
air cond 2000 dodge dakota9/26/2009
  Q: air cond gets cold and blows air but will not switch from max air to reg or any of the other ...
  A: On the drivers side. Remove the cover under the steering column. Look at the black case and you ...
clutch air climatiser9/23/2009
  Q: bonjour, j ai un dakota 2000, v6 3.9l avec l air climatiser,tout fonctionne bien ,sauf que quand je ...
  A: J'ai essayé de traduire l'espoir Internet onthe c'est bon. Si votre question m'a été traduite ...
1999 BMW 323i AC problem9/22/2009
  Q: I recently had my AC compressor and dryer replaced, system flushed, filled, and repressurized. That ...
  A: You are talking about the high side service port. You can go by any dealer and order one.It is not ...
Jeep 2000 A/C running warm9/21/2009
  Q: I have a 2000 Jeep Grand Cherokee Laredo. The a/c ran warm, and the shop couldn't find any leaks, so ...
  A: This years Jeep is probably due for the an evaporator. If they have put dye in the system they ...
Car air conditioner9/20/2009
  Q: We have a 95 Buick Lesabre and the air conditioner doesn't blow air. The compressor works and I ...
  A: If your system is digital then you have a module that controls the ground to the blower. It is ...
2002 dodge dakota a/c compressor clutch cycling pressure switch9/18/2009
  Q: I called NAPA and explained that my AC and Heater only run on high. They told me to replace the A/C ...
  A: When you say it only runs on high do you mean your blower speeds only run on high or what. If your ...
auto a/c9/16/2009
  Q: 1997 buick skylark 3.1... a/c is fully charged new serpentine belt the clutch engages when i ...
  A: Ok lets start all over. First check fuse if both fuses OK then. Check relay you should have at ...
auto a/c9/16/2009
  Q: 1997 buick skylark 3.1... a/c is fully charged new serpentine belt the clutch engages when i ...
  A: Check your cycling switch located at the accumulator or on the suction line. You should have power ...
2004 chevy silverado9/15/2009
  Q: i got dual temp settings on my truck and the one that runs my side will not change from cold to hot. ...
  A: That is the actuator located on the drivers side underneath the steering column on the evaporator ...
Pontiac ac blows from defrost vents only9/15/2009
  Q: When I run the ac, the air only comes out of the defrost vents on top of the dash and not the front ...
  A: The system works with vacuum from the engine. Check at the fire wall on drivers side you will see a ...
Fan relay and air conditioning9/14/2009
  Q: The air conditioner stopped cooling suddenly on my 1989 Toyota Cressida (ice cold one day and hot ...
  A: It may be that your relay is bad but if you do not have refrigerant your system will not cool. Have ...
Chevy Suburban A/C Problem9/14/2009
  Q: We are servicing the Suburban Fleet of the US Army here in Afghanistan. We change Compressor, ...
  A: I would not keep flushing the systems. If you change condenser then I would not flush at all. Make ...
01 jeep wrangler AC cycling on & off9/13/2009
  Q: I have a 2001 manual jeep wrangler sport. My AC went completely out while I was driving and my ...
  A: I think you may be speaking about the radiator fan motor. They are very loud when they turn on. ...
2000 Echo air conditioning won't turn off9/12/2009
  Q: The air conditioning in my 2000 Echo won't turn off. More specifically, the air conditioning turns ...
  A: Your Echo is operating correctly. Whenever you put it on defrost it will automatically engage your ...
heating and air9/10/2009
  Q: I have a 2004 Tahoe and my front cotrol heating and air only blows on the high setting 5 (1-5). The ...
  A: Your blower resistor is what controls your first 4 speeds. You will need to replace that. Your ...
05 dodge 3500 ac9/10/2009
  Q: I recently took a small piece of plastic out of my blower. it looked like part of a shaft. I felt ...
  A: Your reticulating air door has broken. You can get one at the dealer. It comes with the housing. ...
1996 Cadillac Deville Concours evaporator9/9/2009
  Q: I need to replace a leaking evaporator on a 96 Cad. Deville Concours. I have 5 years professional ...
  A: your evamp is located in he engine compartment. Here what you need to do. Install or Connect ...
1997 audi a8 ac9/2/2009
  Q: When I turn the car off the fan still runs. Even when the ac is turned off.
  A: Your final stage on this blower is bad. Some dealers call it final stage others call them blower ...
ac9/2/2009
  Q: I have a 2001 dodge ram 1500 5.2L automatic trans. My ac blows cool, but not nearly as cold as it ...
  A: If your compressor is turning on and off repeatedly then you are low in refrigerant. If your system ...
a/c belt tensioner banging8/31/2009
  Q: On 2003 Suburban, A/C works very well, but its belt tensioner oscillates horribly (big banging) when ...
  A: Fan clutch is the part that cools your radiator. Compressor clutch which is what your are referring ...
Auto Air Conditioning8/31/2009
  Q: 97 Chevy Venture. A/C blows warm air. Where exactly is the Low pressure port. Will I need to ...
  A: R-134 is the refrigerant. Follow the thick hose that comes out of the compressor towards the ...
1998 dodge caravan8/27/2009
  Q: My windshield wipers froze in O.C. MD.but the wiper motor still worked.I emailed my dealer in ...
  A: Not sure what is wrong with the system. But to reset control all you have to do is. Hold down rear ...
Jeep AC8/24/2009
  Q: I have a 2006 Jeep Commander limited 5.7L. I purchased it brand new and after the first year I had ...
  A: You need to have it checked out. On the Jeeps the problem you probably had was that it was low on ...
air conditioning 2000 silverado8/24/2009
  Q: My 2000 silverado's air conditioning is throwing me for a loop. When I start the engine it will ...
  A: Compressor will cycle on and off for two reasons. When proper temp. is reached at the evap. this ...
Pressure Reading8/23/2009
  Q: I have 94 Grand Caravan. NYC temp is around 86F now. AC is working I guess (Temp dropped from 90F to ...
  A: Need to know what your when your high drops does your low drop with it. If it does then your ...
2000 Mustang GT no air at highway speed8/23/2009
  Q: My 2000 Mustang GT air works great around town and on the highway for short trips. However, it ...
  A: Remove the connector to the switch and see if your compressor stops. If it does then you may an ...
2004 Sienna ac problem - on then off then on again8/22/2009
  Q: My 04 Toyota Sienna AC first started blowing warm air after about 15 minutes of cold air, then ...
  A: Try and get some pressures for me. That is really the only way. If your pressures are good for ...
G.M. A/C blows warm air.8/22/2009
  Q: the A/C on my van blows warm air. I attempted to recharge it with a DIY R134 kit and the compressor ...
  A: When your system is off you should have a reading of about 100 psi. When you jump your switch your ...
2004 Chevy Silverado8/21/2009
  Q: I have the digital dual climate control system. When the truck becomes wet, either from rain or a ...
  A: I have never come across this problem. There are no other sensors out side the vehicle. Check your ...
2001 Acura 3.2 CL - Cold for 5 minutes then Warm/Hot8/20/2009
  Q: I'm so glad i found this site, i'm going nuts! Vehicle: 2001 Acura 3.2 CL 140,000mi I will try to ...
  A: Its hard to tell without the pressures. But I would start by checking your compressor when it stops ...
Ford A/C problem.8/20/2009
  Q: I have a 1997 Ford E150 Club-wagon van & it has separate a/c dash controls for the front & back ...
  A: Check just above the steering wheel on the plastic that has your instrument cluster. You will find ...
air condition8/18/2009
  Q: I have a 2002 toyota camry SE V6 my question is that when i turn on the A/C it start on two click ...
  A: Not sure about clicks try and be more specific inside or outside noise. The odor could be coming ...
Ford A/C problem.8/18/2009
  Q: I have a 1997 Ford E150 Club-wagon van & it has separate a/c dash controls for the front & back ...
  A: This ford product has a lot of problems with the switch. They tend to burn out and burn the ...
92 Caddy Deville AC compressor/clutch8/17/2009
  Q: I tapped on clutch with screwdriver near center,clutch cuts on,then off,steadily.In your opinion,is ...
  A: If clutch is slipping you will see sparks or at least hear a grinding noise. If you compressor ...
2001 Jeep Grand Cherokee8/16/2009
  Q: have an interruption of air flow with a/c when going up a slight incline and accelerating. Believe ...
  A: At the fire wall near the evaporator hose inlet you will find a vacuum hose. Follow that hose to a ...
a/c pressure switch8/15/2009
  Q: First, I would like to thank you for sharing your knowledge. When I came across this site, I was ...
  A: A jump in the system is only removing protection the system has. So it will damage your compressor ...
a/c pressure switch8/15/2009
  Q: First, I would like to thank you for sharing your knowledge. When I came across this site, I was ...
  A: On this Chrysler product they have an A/C Transducer located on the high pressure hose. The switch ...
car air conditioning8/14/2009
  Q: first thanks so much for offering your help to others...it is a really nice thing to do. I have a ...
  A: Glad you found it that was probably the hardest thing. All you need to do now is unscrew the switch ...
1999 Concorde a/c8/14/2009
  Q: Wife was driving, everything was fine,till nice cold a/c turned hot in a matter of seconds. Found ...
  A: you have two things that control the compressor. You've eliminated the transducer. Now check the ...
Auto air blows out warm air8/13/2009
  Q: I have a 2002 Ford Escort, the air- condition has been running ok for the past four years. Does the ...
  A: refrigerant does not need to be replaced and it does not get consumed. If the pressure shows a ...
1995 suburban climate control8/12/2009
  Q: I have 1995 GMC suburban the climate controls do not work correctly the AC and Recirc button do not ...
  A: These controls tend to go bad but it does not have anything to do with your window. At least I have ...
Jeep Grand Cherokee 2004 new AC8/12/2009
  Q: Is it possible or just to expensive to get an entirely new A/C in my 2004 Jeep Grand Cherokee Ltd. ...
  A: The system consists of about 18 parts. Jeeps are good products so just have it checked out and let ...
Dodge pickup A/C8/10/2009
  Q: I have a 2003 dodge ram king cab pickup with 4.7 liter engine. My A/c isn't as forcefull as it use ...
  A: Dodge pickup's are have problems with the recirculating air door. Doors are plastic and are ...
a/c problem8/10/2009
  Q: My auto a/c problem is described below:.......what is the problem do you think? 2001 nissan Maxima ...
  A: If we are talking about the 01 Maxima. This vehicle DOES NOT have a cycling (low pressure control ...
92 Caddy Deville AC Stopped working8/9/2009
  Q: The other day I was driving,pushing different buttons on climate control.This model has Electronic ...
  A: The compressor could be the cause. But before you spend any money on clutch. Lift car up and try ...
98 Altima A/C Blows Hot air8/8/2009
  Q: My car is only blowing hot air, I bought one of those Freon Kits from AutoZone and measured the ...
  A: The clutch is located at the compressor. Compressor is the bottom pulley towards the front of the ...
2005 hyundai sonata a.c.8/7/2009
  Q: what is the low pressure reading i should be getting when engine is idling 73f outside temp.on a ...
  A: The principles are the same try and see what your hi pressure is. It should be 180 to 225. If so ...
A/C compressor questions for Chevy Express Conversion van8/6/2009
  Q: I have a 1997 Chevy Express Conversion van and I need to replace the compressor (and accumulator and ...
  A: This high pressure switch is a protection for you compressor. If you remove it you will shorten the ...
AC Parts8/4/2009
  Q: I have a 2003 Honda Civic 1.7 DX. It was purchased without AC installed. I was looking to put it ...
  A: You have a 2003 you could probably get the entire unit form a salvage yard and save a lot of money. ...
Ac compressor freezes up8/3/2009
  Q: Yes I have a 2006 ford expedtion limited with ac seats and rear ac. Here's the problem after about ...
  A: You have a cycling switch located at the accumulator near the fire wall. You can't really see it ...
can coolant leak into the a/c?8/3/2009
  Q: I have a 2001 Toyota Sienna with 200,000 miles. After driving to the mall, I noticed green coolant ...
  A: Check coolant level and see if it comes down. If level is OK then check your ac pressure. From the ...
95 Surburban A/C problem8/2/2009
  Q: I have a 95 surburban that has been having front A/C blower problems for years. At first I thought ...
  A: Disconnect your battery and reconnect about a minute later see if your servo's recalibrate. If this ...
2006 vw jetta ac/ cooling fan8/1/2009
  Q: got a check engine light found out there is a issue with the cooling fan on radiator. The smaller of ...
  A: The smaller of the two fans only comes on when your ac compressor is on. Check Engine lights turn ...
Ford Explorer Air Cond. Only Works on High8/1/2009
  Q: I have a 1997 Ford Explorer Sport. The air conditioner only blows cold air if I set the system to ...
  A: WE need to try and see what the system is doing. So first turn to high blower and max check if ...
96 gmc a/c8/1/2009
  Q: new compressor,drier,synthetic r-134, compressor work,runs 50psi, drier gets very cold but hot air ...
  A: Airbags are not a problem as long as you disconnect the battery for at least two minutes before you ...
1996 toyota camry ac7/31/2009
  Q: The ac compressor on 1996 camry comes on when you turn the switch on in the car and then goes back ...
  A: It may be but your compressor may also have a sensor either underneath the comp. body or behind it. ...
a/c guage readings7/30/2009
  Q: I converted my 1987 Fiero 2.5L to r134a. I replaced the V5 compressor and control valve, ...
  A: If you put 90% and you have those pressures you are good. Depending on ambient temperature some ...
03 Cherokee AC problem7/30/2009
  Q: My AC blows hot air. For a while I could jiggle the hot/cold knob and the cold air would kick in but ...
  A: On Chrysler product we have been seeing a lot of the actuator doors with problems (plastic ...
auto airconditioner compressor noise7/29/2009
  Q: I have a '05 sonata. The air conditioning compressor squeals (AC on or off). > The noise can be ...
  A: Inspect your belt for wear and tension it may be that easy. As to the bearing you must remove the ...
2004 Silverado 2500 HD7/29/2009
  Q: I have the manual temerture control and am looking to switch over to the digital one. Manual has ...
  A: Unfortunately GM only puts in one wiring harness so you must stick to the original. Try and ...
1998 GMC A/C Issues7/29/2009
  Q: 1998 GMC Sierra. A/C blows ice cold for first few minutes truck is running. Then goes warm. After a ...
  A: It is difficult to tell you without being able to check it. But from experience Check your cycling ...
98 honda civic pressures7/28/2009
  Q: Ok so I ran into a problem. A friend of mine had me rebuild his system in a 98 Civic. I replaced the ...
  A: It seems to me that your exp valve is not working properly. At first it seemed like the compressor ...
AC fan 2001 Buick LeSabre7/28/2009
  Q: My AC blower quit yesterday. You can feel cold air coming out of the vents but the blower will not ...
  A: Check blower for power and negative. If power is missing look for the relay by the fuse area. If ...
A/C not working7/27/2009
  Q: I drive a 1996 Chevy S10 2.2L. When I initially start my a/c nothing happens. If I disconnect the ...
  A: Next time you start the engine turn on ac normally and check for power and ground on compressor ...
1997 ford taurus7/27/2009
  Q: where are all the fuses that givr power to the ac clutch.my ac blower works fine but the compress ...
  A: Start by checking you cycling switch at the accumulator (black metal bottle) near the fire wall. ...
AC repair that cadillac has no answer7/26/2009
  Q: ...the freon was replaced...no leaks can be found. The ac is cold for a few hours and then for some ...
  A: Try and get pressure readings for me. Let me know what they have done so far. If the condenser is ...
a/c blows warm air7/26/2009
  Q: My 2002 Altima blows warm air when driving, but it works fine at idle. I check the fans at idle and ...
  A: Bring your rpm's up when you check your pressures and see if pressures are the same as at idle. Also ...
condenser, compressor...now evaporator7/26/2009
  Q: One and a half months ago I had my condenser and compressor changed on a 2000 grand caravan. It ...
  A: We cannot be sure if they miss diagnosed the problem. But the evap. repairs expensive. They must ...
car air conditioning7/25/2009
  Q: first thanks so much for offering your help to others...it is a really nice thing to do. I have a ...
  A: Check and see if your compressor is starting. Turn car on with ac at max if the system pressures ...
vent change7/25/2009
  Q: on a 2000 pontiac grand prix se 3.1.I can't change to the different vent locations onm myn dash.It ...
  A: Check your vacuum hoses in the engine compartment. If some work was done in the engine compartment ...
AC blows out hot air!7/25/2009
  Q: I have a 1998 Cadillac Eldorado and the AC was blowing out hot air at idle but when I would be ...
  A: I really need the pressure in the system to tell you what is happening. But if your compressor is ...
'00 Nissan Xterra A/C Thermostatic switch?7/25/2009
  Q: I have a 2000 Nissan Xterra V6 4x4. My a/c quit blowing cold air. You can hear the compressor switch ...
  A: The Dealers call it a thermal amplifier. Tell them it is located at the Evaporator case. Don't ...
96 gmc a/c7/24/2009
  Q: new compressor,drier,synthetic r-134, compressor work,runs 50psi, drier gets very cold but hot air ...
  A: Check your heater door operation. Move the nob from blue to red and see if it changes temp. If it ...
Replacing 1998 Honda Civic airconditioning belt7/23/2009
  Q: The airconditioner compressor to my 1998 Honda Civic EX has broke and I am trying to replace it ...
  A: The belt is not easy to replace but it can be done. Your pulley has a 14mm nut in front of it (must ...
Air conditioner7/23/2009
  Q: My 2001 Buick La Saber air conditioner is leaking through the cabin filter into the inside of the ...
  A: Drain is located on passenger side in the engine compartment. Look for a small hose towards the ...
AC Recharge question7/22/2009
  Q: I've got a question about my 1999 Ford Contour V6 with AC. I noticed the compressor cycling on and ...
  A: Compressor cycling switch disconnects at 18 psi and reconnects at 45 psi. Check your pressures with ...
2008 suburban Air conditioning7/22/2009
  Q: i have 3 2008 chevy suburbans all three do the same . the ac systems will run for a while then ...
  A: Have not seen that yet. These trucks are coming with a lot of electronics. Check if this air flow ...
1995 Chrysler Concorde7/21/2009
  Q: I bought a 1995 Concorde from friend back in April 2009. The lady had it for 7 years and put about ...
  A: Make sure it is the low pressure switch it should have only 2 wires, If the switch has three wires ...
96 Dodge Grand Carvan7/21/2009
  Q: I have a 1996 Dodge Grand Caravan and I know that the a/c leaks. The problem is that I am trying to ...
  A: When you start charging the system the compressor will start up when it reaches 50 psi. This will ...
01 dodge ram 1500 air conditioner doesn't stay cold7/21/2009
  Q: I first took the truck in because the ac would only blow cold for 10 to 15 min.. Mechanic said it ...
  A: ON the dodge ram you do not have a thermostat, you have a cycling switch. The Switch is located ...
Heat thru Air vents7/18/2009
  Q: I have a 1998 Altima. recently the check engine light came on. I generally ignore these until I ...
  A: On the altima if you push the button for the recirculating door you will stop having the air come ...
1999 escort zx2 a/c recharging.7/17/2009
  Q: Okay, so first.. I'm basically clueless when it comes to heating and air for cars or anything for ...
  A: If your system has no pressure the compressor will not turn on. Check if you have pressure and/or ...
1995 geo prism A/c clutch7/17/2009
  Q: On my 1995 geo prism I checked the 15 amp fuse that sends voltage to the compressor it is good,I ...
  A: relay sends the power to the compressor. You can run a new wire but make sure to connect it to the ...
2003 Suburban A/C Pressure7/15/2009
  Q: I was having trouble with the A/C system on my wife's suburban last fall. The idler pulley started ...
  A: Your pressures are a little low for that ambient temp. You should bring the pressure up to about ...
Auto AC not as cold as it used to be7/14/2009
  Q: I have 2 vehicles that both have the same problem. As they are getting older, the AC is not as cold ...
  A: 1 freon does not dissipate or gets consumed. 2 Usually if it is low you have a leak or someone has ...
AC help in 2000 Sable7/12/2009
  Q: 2000 Mercury Sable, 24 valve. The AC blows cold air out for the first 5-10 minutes when running. ...
  A: Disconnect the cycling switch and see if compressor turns off. If it does not turn off then check ...
1995 geo prism A/c clutch7/12/2009
  Q: I need to know if the A/C amplifer would cause the compressor clutch not to cycle on and off? I have ...
  A: You must add refrigerant in order for the compressor will engage. At the evap. you will see a metal ...
91 Buick roadmaster wagon AC7/12/2009
  Q: Air works then quits the deg.blinks on the climante control if I reset the system it will work fine ...
  A: If your system was retrofitted they should have put an orifice tube that can regulate itself. When ...
02 Civic LX7/11/2009
  Q: 02 Civic LX, was taken to a local shop where the $59 a/c special turned out to be $180 and more ...
  A: On the Honda Civics It is common for the master switch to go bad. The light may have just gone bad. ...
After charge, AC blows warm7/11/2009
  Q: My dad charged my AC... 99 Jetta. it was not blowing as cold as it used to. Immediately after the ...
  A: You do not have to be scared. It will not blow if you keep it off. Do not use system until you can ...
a/c repair7/10/2009
  Q: My question is similar to the one answered by David Hill on 1/12/09, but I have a 2005 Corvette. The ...
  A: The labor is intense to change all five. But you need to see which one you really need. Some of ...
Blend door not working7/10/2009
  Q: How can I troubleshoot the blend door on a 1997 Oldsmobile Cutlass Supreme which is stuck in the ...
  A: Pull one of the vacuum lines see if you have vacuum. If you don't have vacuum look in engine ...
A/C problems7/9/2009
  Q: We have a 1999 Honda Civic EX, 115,000 miles. My ac compressor started grinding so I just had my ac ...
  A: On the Honda civic you need to check the condenser fan. Make sure it is blowing about 22-28 cfm's. ...
Blend door not working7/9/2009
  Q: How can I troubleshoot the blend door on a 1997 Oldsmobile Cutlass Supreme which is stuck in the ...
  A: Need to know if automatic temp. control or manual. If manual check your vacuum lines and make sure ...
auto ac7/9/2009
  Q: 2002 kia sedona ex -- have installed new compressor--full of freon -- light on control panel comes ...
  A: System has two fuses make sure both are good. Does cycling switch have ground to it if it does ...
2002 Dodge Durango A/C6/29/2009
  Q: I have a 2002 Dodge Durango. I need help. My a/c blows hot air. A friend looked at it thinking it ...
  A: Your heater door may be open very common on these vehicles for the door to break and stay open. One ...
AC pressure6/29/2009
  Q: I have 94 Dodge Grand Caravan. I used to take the car to have AC service every six months because ...
  A: You have few questions. Pressures are good for your area they will move up and down especially if ...
Air Conditioning Compressor6/28/2009
  Q: I drive a 1992 Honada Civic, and am having to possibly replace the A/C compressor for a third time. ...
  A: Check the condenser fan motor make sure it works properly. When you change your compressor you ...
ac/heater 97 taurus6/28/2009
  Q: My ac/heater will not blow any air at all. I checked the relay under the hood and under the driver ...
  A: Check power at the blower make sure you have positive and negative. Other wise it will not turn on. ...
95 V6 Tacoma Toyota AC6/28/2009
  Q: clutch will not engage,fuse is okay. Clutch turns freely by hand and the sight glass is clear, no ...
  A: Check pressure in system clutch will not engage if pressure is below 50 psi. Your sight glass is ...
Chevy A/C6/27/2009
  Q: I have a 2005 Chevy Silverado, was driving down the road and the A/C quit. Put the gauges on, has ...
  A: Unfortunately GM truck are hard to diagnose without a scanner. The best one are at the dealers but ...
Chevy truck A/C6/27/2009
  Q: I have a 2000 Chevrolet Z71 pick-up. I was going down the road the other day and the air ...
  A: Check your cycling switch for the turning off problem. I'm not sure what your control problem is. ...
Ac no working on 98 Mustang6/27/2009
  Q: I have tried many things. The ac clutch will not engage. We made sure that the proper amount of ...
  A: Check and see if you have power at the cycling switch located at the accumulator(bottle near the ...
Dodge Carvan A/C Leak (Evap)6/26/2009
  Q: I brought my 2006 Dodge Grand Caravan SXT in for repair with the A/C blowing warm. (43K miles). $125 ...
  A: There is nothing they could have done to make an evaporator blow like that. The only thing I can ...
metal shavings in a/c orifice tube6/26/2009
  Q: I have changed a failed a/c compressor on a 1997 chevy blazer with a working one that I took off ...
  A: You said you flushed the entire low side. You really to flush the hi side. The condensor is what ...
orifice tube6/26/2009
  Q: I have a 1984 grand marquis [full size] and i was wondering if you know were i can locate the ...
  A: Look in the engine compartment. You will see the evaporator case (black case by the firewall that ...
ac on 97 chr t&c 3.8L6/25/2009
  Q: the compressor runs shortly and suntion psi is 140 then is shuts down. the hi psi is 40 and the psi ...
  A: Your suction psi comes from your blue gauge and your hi form the red one. I think you meant 40 ...
Chevy truck A/C6/25/2009
  Q: I have a 2000 Chevrolet Z71 pick-up. I was going down the road the other day and the air ...
  A: Did you turn off the blower switch or the button that says ac. On some models the switch was made ...
Ford ac problems6/25/2009
  Q: My A/C compressor clutch was not coming on so i started checking fuses, relays then a diode all ...
  A: My field is air conditioning you need to take it to an electrical shop. This could be dangerous. ...
truck air conditioning6/25/2009
  Q: the a/c on my 99' dodge ram 1500 works well for 5-10 minutes then goes hot. The blower still works, ...
  A: You need to check system pressures when it starts to blow hot. It maybe that your expansion valve ...
95 Toyota Previs air conditioner6/25/2009
  Q: Can you tell me (or better yet show me) where to connect to charge the air conditioner.
  A: Look for the compressor usually at the bottom of all your pulley's on the engine. When you find it ...
93 ford e350 diesel ac6/24/2009
  Q: we have a 93 ford e350 7.3 diesel that has ac in front and back. it appears someone has re-routed ...
  A: Unfortunately it sounds like an after market system and if so there is no schematic for it. All I ...
AC on 93 Chevy Van6/24/2009
  Q: how can I tell what refrigerant is used on my van? I don't know what to charge it with, is there an ...
  A: More than likely your system is R12 which you can not buy anymore. There are some blends in the ...
blower motor6/23/2009
  Q: I have a 1996 grand jeep Cherokee Orvis limited addition. My blower motor just barley blows cold air ...
  A: You have one blower motor for the front unit located under the glove compartment. Your blower could ...
replacing fan motor on 92 pontiac sunbird6/23/2009
  Q: I believe I need to replace the radiator fan motor on my car, I bought the part and can see it but I ...
  A: It's not too difficult to replace. You will need some tools to take out the bolt on the plastic ...
Auto Air Conditioning6/23/2009
  Q: I replaced the compressor on my 95 geo prism,evacuated the system,to 29hg and went to charge system ...
  A: You need to check the service valve and make sure freon is going thru. If it does not go thru change ...
ac acting funny in 2005 pontiac vibe6/21/2009
  Q: My ac worked great in my 2005 pontiac vibe and then all of a sudden we turn the ac on and we hear it ...
  A: Do you hear the blower or the compressor come on. It you hear the blower check at defrost see if it ...
97 jeep wrangler air conditioner6/20/2009
  Q: I have a 97 jeep Wrangler 4 cyl and it has the same problem as this other one listed in this site. ...
  A: check your fan clutch and or electric radiator fan motor. The cut out switch on the high side is ...
airconditioning cycling to much6/20/2009
  Q: 2002 Oldsmobile Silhouette V-6-3.4L Vin E 76000 miles. My AC was not blowing cold air and not much ...
  A: Gave me a lot of information lets take one at a time. First the levers: Need to know if your ...
1999 ford escort air conditioning6/20/2009
  Q: I have replaced the compressor and clutch. I can not get the clutch to engage. I'm getting power to ...
  A: Make sure you have pressure in your system. If you have pressure of 60 psi or more check for power ...
air cond leak6/19/2009
  Q: I have water coming in side on the passengers side, where is air cond hose on a 1997 olds achieva i ...
  A: Check your radiator level if you have to add water it may be your heater core that is bad. The ...
ac system6/19/2009
  Q: I changed the compressor, orfice tube, and the accumulator. My truck started to run hot, and blew ...
  A: You need to check your fan clutch it may be weak. If you have to replace it make sure you put the ...
Bad compressor or expansion valve??6/18/2009
  Q: my wifes 01 Olds Aurora is not cooling as expected. On a 90 degree day, it's about 60 - 65 degrees ...
  A: the aurora's have an electronic orifice tube (solenoid) to control the flow of freon. That may be ...
heater on 1998 lincoln town car6/18/2009
  Q: The heater is always on. When I turn the a/c on the compressor will kick on. When you first start ...
  A: There are two things that could be wrong you must check to see if the actuator for the heater (a ...
2002 Ford Taurus AC6/18/2009
  Q: Okay I have a question for you please. I have a 2002 Ford Taurus. I bought the car used during the ...
  A: Unfortunately it seems like you make have a leak. The system has a cycling switch that will ...
ac6/18/2009
  Q: Do you have the specs for the high and low pressure readings for a 2003 Dodge Ram 3500 pickup?
  A: All books say your readings should be 35-45 low side and 175-225 high side, but that depends on your ...
relay6/18/2009
  Q: where is the air conditioner relay on the front end of a 1996 oldsmobile cierra? I am having ...
  A: Relays should be in the front passenger side behind the front head lamps . The little rack has ...
AC Hose exploding6/17/2009
  Q: A friend of mine owns a '97 Chevy Blazer, 4.3L automatic. A friend of his tried to recharge his ...
  A: AC hoses can get over heated in the engine compartment. Sometimes if you move them for any reason ...
Compressor problem?6/16/2009
  Q: My query is regarding the air-condition compressor in my car, which will not engage unless I put the ...
  A: In the states we do not have too many Diahatsu. On some Japanese cars the resistor controls the ...
'96 Dodge Ram 1500 A/C blower not working6/15/2009
  Q: The blower is not working. My mechanuc/technician troubleshot it and also used some kind of tester ...
  A: The control heads do not go bad that often. Check and see if you have power Positive and negative ...
2005 Chrysler Town & Country6/14/2009
  Q: I'm getting a low pulsing rattle/hum noise from my 2005 3.8L Town & Country van (50k miles) when I ...
  A: If you turn it on and the noise starts then I think it may be coming from inside the compressor ...
A/c and heater problems6/13/2009
  Q: When i bought my 2000 Chev Venture it had alot of problems as it is used and all. The heat and a/c ...
  A: Its seems like you have more than one problem. First the speeds are controlled by a module located ...

All Questions in This Category

Auto Air Conditioning & Heater Repair

All Answers


Answers by Expert:


Ask Experts

Volunteer


Candido Figueroa

Top Expert on this page

Expertise

Most questions on automotive air conditioning service and repairs.

Experience

Completed Education in 1984 and started my own business in 1987. Have owned and operated an automotive air conditioning reapair shop in South Florida since 1987.

Organizations
Mobile Air Conditioning Society International Since 1992

Education/Credentials
Miami Lakes Technical Education center 1984

©2012 About.com, a part of The New York Times Company. All rights reserved.