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| Subject | Date Asked | Expert |
| Ignitio problem | 2/10/2012 | Howard M. Fitzcharles III |
| Q: Have a Jaguar E Type V12 1974 US version. I have it in Colombia. Is in good shape, runs well. A few ... A: Symptoms can sometimes lead you to a section of what is wrong but usually symptoms are useless in ... | ||
| 1970 Jag E type 4.2 Liter | 2/9/2012 | Howard M. Fitzcharles III |
| Q: I recently rebuilt the Strombergs, installed new plugs and wires and It wont start for me. I have ... A: As a Jaguar mechanic in several dealerships I was faced with that problem as many as several times a ... | ||
| My 1985 XJ6 | 2/8/2012 | Howard M. Fitzcharles III |
| Q: Howard, I'm moving on to the rear suspension this week and have new struts on the way and purchased ... A: Michael, the pinion bearing is not a sealed bearing. It is a tapered roller and you must NOT allow ... | ||
| 1985 XJ6 Vanden Plas | 2/7/2012 | Howard M. Fitzcharles III |
| Q: I obtained this car over the summer. The ignition was broken but would start with a screw driver, no ... A: You have several problems with the electrics. First the fuel pump is activated by the fuel pump ... | ||
| 2001 Jaguar S-type sputter | 2/6/2012 | Sammie H. Parker |
| Q: I own a 2001 S-type 3.0, for the past month or so I've noticed when I pull up to a red light the car ... A: There are several possible causes to your problem. 1. A bad fuel pump, 2. bad fuel filter, 3. bad ... | ||
| My 1985 XJ6 | 2/6/2012 | Howard M. Fitzcharles III |
| Q: Howard, I'm moving on to the rear suspension this week and have new struts on the way and purchased ... A: No, the rear hub bearings are not sealed type, they are tapered roller bearings with a large plug in ... | ||
| jaguar xjs 3.6 | 2/4/2012 | Howard M. Fitzcharles III |
| Q: i have a problem with my jaguar xjs it is the early fuel injection system the one without the ... A: I am not familiar with the "S" with a 3.6 engine but all injection systems operate the same. They ... | ||
| 1986 Jaguar XJS | 1/31/2012 | Howard M. Fitzcharles III |
| Q: 1984 Jaguar XJS wouldn't start after sitting for 3 years. After establishing spark (replaced ... A: Your symptoms do not tell me what is wrong and I have rarely ever been able to diagnose any problem ... | ||
| 85 jaguar xj6 fuel seloned or shut off valve left side | 1/30/2012 | Howard M. Fitzcharles III |
| Q: mr howard. i bough a new fuel shot off valve left side for 85 jag.xj6 when i took it out the box i ... A: The left side fuel return valve is normally open and only closes when power is applied. The right ... | ||
| My 1985 XJ6 - strange starting today | 1/29/2012 | Howard M. Fitzcharles III |
| Q: Howard, First, thanks again for doing this. I always appreciate your insight. My XJ6 restoration is ... A: Good to hear the project is progressing. First, are you sure the puff of smoke was from the intake? ... | ||
| My 1985 XJ6 | 1/8/2012 | Howard M. Fitzcharles III |
| Q: Howard, So, I'm re-furbishing my front end components with new balljoints and shocks, thought I'd ... A: Yes, hold the bolts with a open end wrench over the sub frame and then remove the self locking nuts ... | ||
| My 1985 XJ6 | 1/7/2012 | Howard M. Fitzcharles III |
| Q: Howard, So, I'm re-furbishing my front end components with new balljoints and shocks, thought I'd ... A: Sorry Michael, I don't know any tricks to make that part of the suspension easier to re-bush. You ... | ||
| My 1985 XJ6 | 1/3/2012 | Howard M. Fitzcharles III |
| Q: Howard, I am replacing my front upper ball joints and shocks this week, did the lower ball joints ... A: I did a lot of series III jags and I never seen the same on two cars and most were not even the same ... | ||
| 1985 XJ6 wind noise | 12/30/2011 | Howard M. Fitzcharles III |
| Q: Howard, My car has always been noisy inside when on the freeway - just wind noise turbulence. I ... A: If the door is out of alignment that would be a fix. Mainly what happens is the door seal (wind ... | ||
| 1985 XJ6 wind noise | 12/29/2011 | Howard M. Fitzcharles III |
| Q: Howard, My car has always been noisy inside when on the freeway - just wind noise turbulence. I ... A: Most of the series III Jags I noted had wind noise due to the upper part of the doors to door seal. ... | ||
| XK120 Front brake drum "frozen" to shoes | 12/28/2011 | Howard M. Fitzcharles III |
| Q: Every year or two, I visit a friend, who has a 1953 XK120 in storage. I have the car on jack stands ... A: You might try applying heat evenly around the outside of the drum first then try the lead hammer. ... | ||
| 1984 XJ6 Vanden Plas leaky master cylinder | 12/26/2011 | Howard M. Fitzcharles III |
| Q: Howard, My brake master cylinder was leaking from the grommets under the reservoir, so I ... A: Steve, the reservoir should fit very tight in the grommets and the pins are there only to keep the ... | ||
| 1984 XJ6 Vanden Plas leaky master cylinder | 12/25/2011 | Howard M. Fitzcharles III |
| Q: Howard, My brake master cylinder was leaking from the grommets under the reservoir, so I ... A: Before you replace the reservoir try loosening the cap to see if the vent in the cap is stopped up ... | ||
| Isolating XJ6 fuel tank | 12/15/2011 | Sammie H. Parker |
| Q: I would like to isolate the right (passenger side)fuel tank on a 1987 XJ6 because it leaks. I know ... A: The Valve is located in the passenger wheel well. Please go welshent.com and download a parts ... | ||
| Replacing accessory belts on 1984 Vanden Plas | 12/7/2011 | Howard M. Fitzcharles III |
| Q: Howard, The alternator belt rolled off the crank pulley so I have to remove the fan/power ... A: Most of the time you need not loosen the mounting bolts to adjust the AC compressor because the ... | ||
| 1984 xjs has no injector pulse | 12/6/2011 | Howard M. Fitzcharles III |
| Q: I have the same problem as you posted an answer to in 2009. (Question Hi i have been fortunate ... A: I don't remember getting any feed back from that problem. so I don't know what that guy found. I ... | ||
| series three jaguar wont start | 12/4/2011 | Howard M. Fitzcharles III |
| Q: I got in one day , started it and put my seat belt on . Then it died. This was 10 months ago , it ... A: I learned when trying to diagnose a "no-run" condition to forget all symptoms and only look at ... | ||
| Aux' Carb | 11/29/2011 | Howard M. Fitzcharles III |
| Q: I have an XK150S 3.8. Starts from cold and shuts down when temp' reached. alarming 'spit back' ... A: The Aux carb takes the place of a choke and supplies a rich mixture for cold starting. Usually a ... | ||
| '87 VDP - Poor Compression Test - Part 2 | 11/28/2011 | Howard M. Fitzcharles III |
| Q: Howard: Thanks again for your help. I triple-checked compression readings and valve clearances, and ... A: #3 and #4 intake valves may be bent, thus the added clearance. It is difficult to pressurize the ... | ||
| '87 VDP - Poor Compression Test | 11/27/2011 | Howard M. Fitzcharles III |
| Q: Howard: I have included our correspondence from 8/12/2008 below for background. Thanks again for ... A: Jags are noted for the studs sticking in the head, making it difficult to impossible to remove the ... | ||
| XJ6 Vanden Plas hard cold starting | 11/22/2011 | Howard M. Fitzcharles III |
| Q: Howard, It takes many tries to start my 84 Vanden plas when the engine is cold, especially when ... A: The first test is to take a can of starting fluid and when you know it is going to be difficult to ... | ||
| 1987 vapor canister | 11/14/2011 | Howard M. Fitzcharles III |
| Q: Greetings Howard. I am returning my 1987 XJ6 Vanden plas (102000 miles) to service after being in ... A: When the canister gets soaked in gasoline it is destroyed and must be replaced. However, that was ... | ||
| IS THERE A FUSE FOR THE INJECTORS | 11/10/2011 | Howard M. Fitzcharles III |
| Q: CAN ONE SET TIMING ON A CAR BY HIS SELF?1987 JAG 4.2 LTR. ALSO WHERE IS THE CONTROL MODULE LOCATED. ... A: If you sprayed starter fluid into the intake and and it didn't try to start then you have no ... | ||
| 85 jag.xj6 fuel return valvs | 10/30/2011 | Howard M. Fitzcharles III |
| Q: if so please let me kno// and what do i have to do to do so. my valvs work when i check them on ... A: To bypass the use of the return valves is easy. All you need to do is to ONLY use the left tank. ... | ||
| throttle switch | 10/28/2011 | Howard M. Fitzcharles III |
| Q: what is the purpose of a throttle switch on 1985 jaguar xj6 A: The throttle position censer only has a full throttle switch inside and is there to tell the ECU to ... | ||
| I THINK I DROP A SCREW | 10/25/2011 | Howard M. Fitzcharles III |
| Q: I WAS TRYING TO REMOVE THE SCREWS FROM THE PICKUP COIL WHEN TRYING TO REPLACE THEM I THINK THAT I ... A: The distributor rotor can get stuck on the shaft and over the years I have had to pry some off and ... | ||
| XJ6 lubricants | 10/20/2011 | Howard M. Fitzcharles III |
| Q: Howard, You've been very helpful to me on the Triumph forum with my TR7, I just picked up an 1984 ... A: The engine oil should match the temperature of your area and the condition of the engine. If it were ... | ||
| '85 Jaguar XJ6 transmission leak | 10/16/2011 | Howard M. Fitzcharles III |
| Q: Hey Howard I hope you're doing well. I was searching the internet and it seems you might have a ... A: There is a good chance that the leak is the front seal. The transmission is a BorgWarner 66 which is ... | ||
| where is the fuse? | 10/6/2011 | Howard M. Fitzcharles III |
| Q: WHERE IS THE FUSE FOR THE FUEL PUMP LOCATED ON A 1987 JAG XJ6 SERIES 111 4.2LTR. REGARDS, RICHARD A: There is no fuel pump fuse. The fuel pump is powered directly by the fuel pump relay on the ... | ||
| My 1985 XJ6 - addendum | 10/1/2011 | Sammie H. Parker |
| Q: Howard, First, I realize my fender light doesn't blink, it is a parking light. Forget all of that. ... A: I am sorry, I thought that I answered this question. Please check all your wiring from the starter ... | ||
| My 1985 XJ6 | 10/1/2011 | Howard M. Fitzcharles III |
| Q: Howard, The Jaguar has been running so well for a while, I have not had to seek your help, until ... A: Diagnosis of an electrical problem by symptoms is usually a waste of time except you do have one ... | ||
| jaguar repair | 9/17/2011 | Sammie H. Parker |
| Q: This is the bearing on the end of the wishbone is there one or two. A: Please go to the link below and download a catalog of your car. There you can check the cost of the ... | ||
| fuel problem | 9/16/2011 | Howard M. Fitzcharles III |
| Q: 2 litre I have a problem with the fuel tanks right hand side is a new tank when I fill the tanks ... A: I love them too even when I know most of their design flaws and short comings. I have two ser. III ... | ||
| fuel problem | 9/16/2011 | Howard M. Fitzcharles III |
| Q: 2 litre I have a problem with the fuel tanks right hand side is a new tank when I fill the tanks ... A: I don't know the Daimler but I am guessing it is about the same as a XJ-6 Jag which I do know. The ... | ||
| My 1984 XJ6 | 9/11/2011 | Howard M. Fitzcharles III |
| Q: Howard, I haven't had a question in a while as my XJ6 has been running so well, so well that I'm ... A: It may not mean anything to find puddled fuel in the intake manifold as the intake manifold on a ... | ||
Answers by Expert:
Top Expert on this page
Jaguar from the XK 120 to XJ-6 ser. 3 1987
Dealership line mechanic on MG, Triumph, Jaguar for 15 years, Instructor in commercial mechanics school 2 yr. Product information manager for piston and valve manufacture, Instructor & hotline answer man for import car parts importer 15 yrs.
Organizations
Associate member SAE
EAA member
Publications
Import Car magazine
Education/Credentials
ASE Master Auto with L-1 certification up to 2000

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