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Prev Professional Automotive Repair Technical Discussions for May 21, 2014
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Open Help Requests for GM
Help Request Answers
2010 Cadillac Escalade 6.2L misfire on decell VIN: 1GYUKBEF7A
removed the fuel rail, check for any debris in rail, swapped injectors side to side before installation, cleaned injectors with bg products x3. smoked intake for vacuum leak diagnosis, swapped coils cylinder to cylinder, vehicle has no engine noises, no tappin...
2000 Chevrolet Venture 3.4L Unknown VIN: 1GNDU03F7Y
Up front, I am not a transmission technician, but I do believe I know what the problem is, but wanted to bounce it off more experienced trans techs. 9K miles ago, we installed a new Pressure Control Solenoid (PCS) for this same code (P1811). At that time, when...
2006 Chevrolet Impala LS 3.5L a/ccompressor VIN: 2G1WB55K66
keeps blowing fuses,we changed the relay but still the same results,I'm thinking the compressor clutch is bad but Ineed yall's help
2007 Chevrolet HHR LT 2.2L MIL Lamp on VIN: 3GNDA23D87
Car came to us from body shop.Asked us to turn off MIL.Scanned for codes and found P062f in TCM.Replaced TCM and reflashed.MIL light off.Let set for several hours and MIL light back on.Scanned for codes,found P062f in ECM.Replaced ECM and reflashed.Let set for... Trouble codes: P062F, P062F
2009 Chevrolet Uplander LS 3.9L calipers VIN: 1GNDU23139
Hi all. Replace LR hub,rotors,pads and LR caliper for brakes burnt on LR, Thought it was from caliper seizure and then being dragged by tow driver who could not see smoke,feel or hear noise. After repair still seized,checked front right also seized. Open LR bl...
2003 GMC Savana 2500 4.8L erratic guage sweeps,etc VIN: 1GTGG25V43
hello,and thanks in advance for any help. this gmc will sweep the gas guage,temp guage, andoil pressure guage to zero(koeo, or koer). sometimes when this happens, the security light comes on. always when this happens, the "check gauges" light comes on, and the...
1999 Pontiac Grand Am GT 3.4L Cooling Systems VIN: 1G2NW12E4X
This car will over heat and blow out coolant while in stop and go traffic or when idling for a long time. I have not been able to duplicate the event. I have not been able to get the cooling fans to operate on high by them selves. I can control them with the s...

Fixes & Summaries for GM
Fix/Summary Answers
1990 Chevrolet Lumina 3.1L Runs for 20 seconds, VIN: 2G1WL54T6L
Thank You for all the responses-it sure helped me. What I found was one shorted injector and one borderline--I checked all the injectors with an ohm meter. The folks at the other shop replaced the injectors and I test drove the car from cold to hot to cold. A...
1997 Chevrolet Camaro Z28 30th Anniversary Edition 5.7L MIL Lamp on VIN: 2GF1P22P7V
Customer does not want to spend the extra money to buy the delco unit. He wants to sell the car as is. The car is drivable with the codes.Thanks for all the replies. Trouble codes: P0336, P1371.
1997 Chevrolet C2500 5.0L a/c VIN: 1GCFC24M8V
first of all i want thank all of you taking time to guide me. So what i noticed was after adding dye w/freon and driving it for couple of days i noticed dye around low side port under neath by the compressor. Then i removed the cap at the port and sure enoug...
1999 Chevrolet Silverado 1500 5.3L bolts
Got alot of responses on this. 90% said to use the oem bolts with anti-seize. Most said Stainless steel doesn't work well with aluminum. The torque spec is 18 ft pds. One response said to torque 15 ft pds (using the anti-seize) that sounded right to me. I als...
2005 Chevrolet Silverado 3500 6.6L Hesitation, Misfire VIN: 1GCJK33215
Sorry to close without fix; running out of time though. Problem one; massive amount of water in fuel. Have to fix this first. Problem two; probably damaged injectors. I have to solve problem one first then diag problem two. I am still waiting on customer appr...
2008 GMC Acadia SLT 3.6L long crank time VIN: 1GKER33798
thanks for all the replies guys, it was the purge valve Trouble codes: P0171 (p0174-), P0174 (p0442-), P0442 (Po476-), P0476, P0700 (testing and results).
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