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Prev Professional Automotive Repair Technical Discussions for July 27, 2011
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Open Help Requests for GM
Help Request Answers
2002 Cadillac DeVille DHS 4.6L suspension VIN: 1G6KE57Y92
I have a 2002 Cadillac Deville DHS. I am having an issue with the suspension. The air compressor will come on and level the car with weight in the trunk. It also comes on when the car is started. I think it is working correctly. When I go over a bump the car w...
2003 Cadillac DeVille 4.6L tcc solenoid VIN: 1G6KF57963
I need to replace shorted tcc solenoid. My question is can the side cover be removed with out compleatly removing transmission?
2008 Cadillac SRX 3.6L Cooling Systems VIN: 1GYEE63718
vehicle came in with a oil consuption issue. We installed new rings and valve guide seals we do allot of these and have never had a issue in the past. The vehicle will drive 15 miles and jump from half way straight to hot. We have done the following checked fo...
1994 Chevrolet Astro 4.3L alternator bracket VIN: 1GKDM15Z0R
so after seeing this i priced out a used one but could not locate one.apparently, this was a popular item at one time. i got a new one from the dealer, they said it was the last one available, i put it on, comes back 3 weks later broken. this time i had all th...
2000 Chevrolet Malibu LS 3.1L Poor Idle Quality, Stall VIN: 1G1NE52H0Y
The original concern was stalling while driving. During a test drive I noticed a lack of power above 3000 rpm. Suggested a new fuel filter, which solved the problem of no power, but vehicle will still stall after driving about 20 min. Stops while driving, at s...
2006 Chevrolet Malibu LS 2.2L cooling system VIN: F36F295790
Vehicle was brought in for overheating, engine was let to get to normal operating temp. At that poit noticed that the lower radiator hose stays of hoses are hot, including heater core hoses. Vehicle does need a water pump (leaking), but when full o...
2005 GMC Envoy SLE 4.2L cylinder head VIN: 1GKDS13S95
vehicle came in with a misfire,chek engine ligth on,P0305,i replaced the sparkplugs an d also checked the compression on #5 ,snd is 0 psi,the engine is running rough ligth is on (MIL),the customer wants to do the proper repairs (head job),but, i have not done ...
2006 GMC Sierra 1500 SL 5.3L Misfire, MIL Lamp on VIN: 2GTEC13Z96
CYL 5 MISFIRE under 1300 rpm. I am asking for HELP!! ON A 2006 GMC sierra 5.3 flex fuel. customer complaint was a misfire. Customer installed new plugs and wires and it did not solve the misfire. apon getting the truck I checked the following. swaped all ign. ... Trouble codes: P0305
2003 Saturn L200 2.2L rear drums VIN: 1G8JU54F43
car came in due to having brake squeal. found front pads and rotors well below spec and about to be metal to metal, and replaced front brake pads and rotors with aftermarket brake best pads. also found rear brake shoes to be almost metal to metal. replaced rea...
2003 Saturn Vue 3.0L Misfire VIN: 5GZCZ63B73
Customer came in with vehicle that had codes. Po300 random misfire,[...] #1 misfire,po421 cat eff. low bank 1,p2b03 which I cannot find any info on.I monitored bank 1 o2 sensors and rear o2 mimicing front so I assume cat is faulty.I checked spark plugs and ... Trouble codes: P0300, P2B03, P0421, P0301

Fixes & Summaries for GM
Fix/Summary Answers
1997 Cadillac DeVille 4.6L Misfire VIN: 1G6KD52Y9V
well thanks every one for your time appreciated. replace ignition coil. no more misfire.thanks. Trouble codes: P0300.
2004 Cadillac SRX 3.6L Trac Control VIN: 1GYEE63724
Thanks for the help, I ordered a steering angle sensor but haven't been able to install it yet. I did check all the wiring to speed sensors very closely and didn't find anything. Also, I graphed the speed sensors while driving and they all seemed perfectly eve...
2007 Chevrolet Silverado 1500 LT 4.8L Steering VIN: 2GCEK13V37
Thanks for all your help guys after researching futher I had foun that both the pump and gear had been replaced and customer told me the noise had been there since repair-I then vacum bleed the system and noise went away air was hiding some where thanks again
2007 Chevrolet Uplander LS 3.9L right cooling fan VIN: 1GBV13137D
The problem was the power feed wire for fan relay 2, it had melted and made connection with the ground terminal in the under hood box. the fan motor caused this mess in the beginning. In a related question can anyone tell me an easier way to separate the top...
2008 Hummer H3 3.7L oil VIN: 5GTEN13E98
After disassembling found severe cylinder wear. Same in all cylinders. Up to 0.5mm in top cylinder. Proably it will explain the excessive oil consumption. Hard to explain in a such low mileage car.
2003 Pontiac Montana 3.4L MIL Lamp on VIN: 1GMDU23E83
Customer has not returned to have us look at her van again. I do feel that it has a mass air flow sensor problem though. If customer returns I will post a fix for it. Thanks for all of the replies on this. Trouble codes: P0171 (Lean bank 1).
2006 Pontiac G6 GT 3.5L battery VIN: 1G2ZH15896
After testing all BCM input circuits (door switches, vanity light, ect.) for about the third time, found that BCM would return to normal draw after about 15 min. to 20 milli amps. Do not know what is causing the BCM to stay awake and draw 80 milli amps intermi...
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