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Auto Air Conditioning & Heater Repair/Questions

SubjectDate AskedExpert
ac/heater12/15/2012Paul Evans/ www.chillywillys.org
  Q: I have no power to ac/heater on a 2009 Honda Civic, it was working fine and suddenly it just turned ...
  A: I need a little bit more information please. What is it that stops working, the fan, the air ...
Audi a4 2003 aircon not blowing cold when very hot12/8/2012Paul Evans/ www.chillywillys.org
  Q: When the temperature is above 27 degrees Celsius it blows out lukewarm air. I had a problem with my ...
  A: I wouldn't replace anything else until you are sure the system has gas and the compressor is ...
Fan resistor12/8/2012Paul Evans/ www.chillywillys.org
  Q: On the current Isuzu models the fan resistor is a printed circuit situated next to the blower. The ...
  A: My only experience of all the current Isuzu models is that there is little alternative but to seek ...
1998 Chevy Silverado Air Conditioning7/11/2012Wayne
  Q: I replaced the evaporator case (only the cover)and the fuses are good. It is blowing air but not as ...
  A: When you had the evaporator case did you inspect the evaporator core for any restriction of airflow? ...
r12-134 conversion7/11/2012Wayne
  Q: I want to use 134 in my 94 Honda Accord. I have gotten conflicting reports on the need to evacuate ...
  A: The topic of 'what oil to use' comes down to two physical properties. Miscibility and solubility. ...
AC and heat7/11/2012Wayne
  Q: Approximately how much work is involvedr cost in replacing the long ac and coolant lines front to ...
  A: It takes about 2-4 hours to replace these lines and in most cases (with GM) you have to purchase and ...
How to know if I have a parallel flow condenser?7/10/2012Wayne
  Q: I have an '07 Chrysler Town and Country Touring, with front and rear air. My compressor went to ...
  A: Your vehicle should have a parallel flow condenser making it difficult to get all of the particulate ...
a/c vibration noise in cab7/10/2012Wayne
  Q: I'm a mechanic myself but just dont do a lot of a/c at the shop i work at. i've got an 84 cadillac ...
  A: When the system is vibrating is there any indication on the gauges that the refrigerant flow is ...
Ford E 250 a/c7/9/2012Wayne
  Q: Ok here we go I have a 2000 Ford E 250 that won't take an a/ac charge. How do I get it to take the ...
  A: I am assuming you are trying to charge it with a store bought kit on the LOW side? Can you give ...
air conditioner Pontiac Montana van7/9/2012Wayne
  Q: Last yr I left interior lights on and had to have my brother-n-law jump my van. As soon as he ...
  A: First thing you need to do is check ALL the fuses. It sounds liek there is no power to the HVAC ...
1995 Chevy Silverado AC7/8/2012Wayne
  Q: The climate control problem, blows cold strong air then changes to blowing warmer air and not as ...
  A: See if you can answer some of these questions and I can help narrow down the problem.. 1. Does it ...
Overcharged ac unit 2007 sarturn ion7/8/2012Wayne
  Q: Our car was overcharged with freon and it caused the ac to blow hot. It had some pressure removed ...
  A: I might be able to help you narrow this down... 1. Disconnect and reconnect battery and try again. ...
A/C relief valve7/7/2012Wayne
  Q: I have a tandem dump truck and was trying to recharge the a/c and at first the compressor clutch ...
  A: The only way to surely know if you have a bad pressure relief valve is to check it when it blows off ...
acura MDX7/6/2012Wayne
  Q: im having trouble with my 2002 mdx front ac, blower works, rear ac blows cold, front don't work ? ...
  A: Without getting into hardcore diagnostics it sounds like You have a stuck or malfunctioning blend ...
acura MDX7/6/2012Wayne
  Q: im having trouble with my 2002 mdx front ac, blower works, rear ac blows cold, front don't work ? ...
  A: Without getting into hardcore diagnostics it sounds like You have a stuck or malfunctioning blend ...
Air Flow7/5/2012Wayne
  Q: I have a 2001 Ram 1500 and it seems that every time I step on the accelerator and the air is on that ...
  A: Heya, You most definitely have a vacuum leak or defective one way valve. When you step on the ...
Ac blowing hot7/5/2012Wayne
  Q: I don't really know a lot about cars...here's what I do know... A few days ago, my ac in my '91 ...
  A: I will try to explain what is happening in simple terms. Depending on the ambient air temperature ...
air conditioning presure switch7/5/2012Wayne
  Q: where is the a/c presure switch located on a 1999 ford escort zx2
  A: I actually had to look this up for you. My first inclination is that it was by the passengers side ...
AC 1999 ford expedition7/3/2012Wayne
  Q: My AC works fine but at an idle and driving at slow speeds it continuously pulls allot of power from ...
  A: There is the possibility that it is cycling on and off too much due to low refrigerant but you may ...
99 merc sable air conditioning problems7/2/2012Wayne
  Q: i just recharged my air last month and its been working fine and today i went to turn it on and it ...
  A: Sorry for late reply Long weekend! Does this system have automatic or manual AC controls? If ...
03 silverado 2500HD 6.0 a/c7/1/2012Wayne
  Q: The a/c system blows cold at start up but after a while blows warm at idle but blows cools while ...
  A: You are correct in your statement. I am sorry if I did not explain properly. A 03 Silverado ...
A.C on Dodge Durango6/30/2012Wayne
  Q: We have a 2003 Dodge Durango SXT this summer we noticed that the a.c. was not blowing out cold air. ...
  A: Coincidently I own a 2003 R/T 5.9. Love the truck, its black and AC is a must. Sounds like you ...
Air Conditioning6/30/2012Wayne
  Q: I recharged my 2001 toyota echo with 134a refrigerant and the compressor is cliking and reving high ...
  A: Was it totally empty when you started charging it? How much refrigerant did you put into it? If ...
2003 Cavalier AC problem6/30/2012Wayne
  Q: I have a 2003 Chevy Cavalier with an AC problem. When I'm moving at 40 or above in 5th gear, it ...
  A: Sorry for late reply, its the long weekend! We need to find out why excessive air flow over the ...
2003 F-350 A/C6/30/2012Wayne
  Q: My Ford 2003 F-350 air conditioning freezes up. I have spent approximately $2000.00 over the last 3 ...
  A: Beautiful truck. And really nice trailer! An Evaporator that turns into a block of ice can be ...
Air Not Blowing in the Middle Vent.6/29/2012Wayne
  Q: I have a 1999 GMC Savanna Conversion Van. I am not getting air flow at the middle vent. My air or ...
  A: The first thing you want to check is the vacuum supply to the HVAC head. The mode control works off ...
2005 avalon a/c problem6/27/2012Wayne
  Q: My mechanic has checked all the fuses to htr and a/c and they are fine but he has no power to pin ...
  A: DAvid, There is only three possibilities for lack of continuity in this circuit. A. No voltage ...
climate control panel6/27/2012Wayne
  Q: after the a/c compressor in my 2005 Toyota Avalon was replaced the climate control panel stopped ...
  A: An avalon panel is called the 'Digital amplifier'. There are more than one fuse that powers this ...
2006 3.5 malibu maxx ac problem6/26/2012Wayne
  Q: may 2006 malibu maxx has been charged with freeon with the proper amount. but it cools slightyly for ...
  A: The fat one is the evaporator outlet and the thin one is the liquid inlet. The thin one should be ...
1997 audi a6 quattro coolant leak6/26/2012Wayne
  Q: after installing a used motor from a 1996 a4 s1 my 1997 a6 is getting way hot and leaking coolant at ...
  A: The thermostat in an A6 2.8 is slightly to the right of the passengers side camshaft in the ...
1977 mercedes air & heat6/25/2012Wayne
  Q: I have cold air coming out of the center vents hot air out of both side vents. like the heater is ...
  A: Sounds like you have a stuck blend door actuator servo or vacuum leak under dash. As these cars get ...
2003 Ford F-150 A/C6/24/2012Wayne
  Q: How can I determine if my blower motor needs to be replaced or the condenser? No air comes out when ...
  A: Sorry bout the late reply. Busy weekend with hockey. Do you have any blower speeds at all? If ...
air conditioner doesn't work if it's in the sun6/23/2012Wayne
  Q: I have a 1995 Toyota Corolla. I have a very strange problem with my air conditioner. If I have my ...
  A: I had to think about his one for a while and check with some information at work to see if there was ...
Buick PA 1995 AC blower prob6/23/2012Wayne
  Q: 1995 Buick PA (not Ultra) blows A/C air out defrost vents only. It started several months ago by ...
  A: The 1995 Park Ave has an electric blend door actuator and a vacuum mode door actuator with vacuum ...
ac works sometimes6/23/2012Wayne
  Q: I have a 2002 Ford Explorer -- V8 4X4. When I turn my ac to blow threw the vents, it only blows out ...
  A: The mode control on a 2002 Ford explorer is a vacuum controlled actuator in the HVAC box that ...
metal shaving in the A/C system6/22/2012Wayne
  Q: i changed the air compressor because it locked up but i couldn't get a cold air i gave it to a ...
  A: Beshoy, Your mechanic is going to hate me when I say this but no you do not have to replace all ...
BMW A/C6/22/2012Wayne
  Q: I have a 2006 BMW 325i. The first symptom was my A/C would not go to the highest setting (speed). ...
  A: Chris, Without a graphing meter or scope it is difficult to make a 100 percent positive diagnosis ...
auto a/c6/22/2012Wayne
  Q: why does my a/c cycle on and off so frequently (30 secs or less) even though the pressure gauge ...
  A: Karl, What is the year make and model of this vehicle? 50psi for a 134A system is too high to be ...
1988 Chev Celebrity6/22/2012Wayne
  Q: My sister owns a 1988 Chev Celebrity. With 2.8 V6. Has been converted to R134a. I need to check her ...
  A: A retrofitted car like that with the original orifice tube will have slightly higher high side and ...
air cond. filter/dryer6/21/2012Wayne
  Q: is there a diagosis for air cond. dryer/filter being bad, or should it be changed when compressor ...
  A: Theoretically if a system has never been compromised by failure or exposure to ambient atmosphere ...

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Auto Air Conditioning & Heater Repair

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Wayne

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Expertise

I can pretty much competently field any question regarding automotive repair other than body and paint. I am especially proficient in automotive electrical systems and heating and air conditioning systems, engine management and electronics.

Experience

I have been a Canadian Inter provincial license holder for 20 years. I own and operate a repair facility that specializes in diagnostics and service for people having difficulty rectifying problems. We do a substantial amount of work for other repair facilities.

Education/Credentials
University, College, dozens of electrical and automotive related courses and seminars. Motive power technicians certificate. Commercial pilot with VFR,IFR for single engine and float plane ratings.

Awards and Honors
Best Dad in world trophy 2011

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