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Prev Professional Automotive Repair Technical Discussions for January 15, 2010
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Open Help Requests for GM
Help Request Answers
2002 Buick LeSabre Custom 3.8L Mechanical VIN: 1G4HR54K32
OK we have a code p1811 .Test drive was normal shifts were good tcc applied had about 35 rpms slip.shift time was .15-.18 and .The local trans shop told them they needed a $400.00 repair to replace something, she thinks a solenoid,I would imagine epc.From what...
2009 Cadillac Escalade Hybrid 6.0L No Start VIN: 1GYFK43549
I have checked my local resources, the car wont start, costumer says what he leave the car 1 month without start, them he replaced a new battery but the car wont start, i read the data list and there is a voltage between 18-20 volt in each drive module. Pleas...
2002 Chevrolet Express 3500 LS 8.1L No Start VIN: 1GBJG31G72
truck towed in from another shop. no start. checked for codes po335b ckp circuit a. checked reference voltage, was in spec. checked tone wheel on crank. ok. found cam sensor burnt up. replaced both cam and crank sensors. resitance and load tested cam, crank, c... Trouble codes: 335B (ckp sensor a circuit)
1998 GMC K1500 Suburban 5.7L transfer case VIN: 3GKFK16R4W
hey guys this truck is back it had aproblem with the 4 wheel drive replaced the encoder motor and transfer case module worked fine two weeks later it came back stuck in 4 wheel low no codes i manually put it in 2 wheel drive so customer could use truck any ide...
2003 GMC Envoy XL SLT 5.3L Engine VIN: 1GKET16P93
Good morning! I have a 2003 GMC Envoy here that I suspect has a blown headgasket. The engine overheats after 10 mins. and the temp. needle moves quickly around. Once I removed the rad cap and let the perceived exhaust gas out the temp. stabilized and has been ...
1999 Pontiac Montana 3.4L Misfire VIN: 1GMDX03E2X
When engine is revved over 4000rpm(when kicked down) the MIL lamp flashes and code P0300(muliple misfire) results. Not sure if I can feel misfire though. Misfire history indicates only #1 cylinder misfires(1960 total count). Rev limiter cuts in below 4000rpm o... Trouble codes: P0300 (multiple misfire detected)
2002 Saturn L300 3.0L heater VIN: 1G8JW54R52
hope to get a quick fix .. lol we was brougtht this car yesterday , it has no heat. both heater hoses are hot .We are just wondering if this might be a electronic's issue or a heater core ? any info would be greatly helpful, we havn't worked on many saturns so...

Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick Rendezvouz 3.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3G5DBO3E12
thank you all who replied to this post.the crank sensor wires were burned because they are too close to the exhaust.when we took it apart to do the heads we pulled on the wires and they fell apart.so we repaired the harness and now all is well. Trouble codes: P0300.
1994 Chevrolet C3500 5.7L temp guage VIN: 1GBGC24K4R
Thanks for all the quick responses, especially David [...]. I should have been clearer on my original post apparently. The radiator & thermostat I replaced because they were faulty. The temp. sensor was thrown @ the car in a guess attempt by my co-worker.(...
2004 Chevrolet Colorado Z85 LS 3.5L rf speed VIN: 1GCOT13684
I finally got this truck to spend some quality time with. I inherited this truck from another shop and I had tested all the wiring , replaced the sensor, and the module. The problem was relatively simple but hard to detect. The previous shop had probed the con...
2003 Oldsmobile Alero GLS 2.2L radio VIN: 1G3NL52F13
Thanks for those that replied. The atenna was in the back window and found one of the defroster grids was broken repaired the grid cleared up all static. The steel wool idea pretty cool.
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