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Prev Professional Automotive Repair Technical Discussions for August 22, 2011
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Open Help Requests for GM
Help Request Answers
2004 Cadillac Escalade 6.0L Brake calipers VIN: 1GYEK63N94
The front and rear brakes stuck on so bad that the caliper pistons and brake pads are falling apart, the rubber boots on the slides melted and even the ABS sensors and rear shock boots are distorted from heat. The rear is worse than the front but both are bad....
1996 Chevrolet Cavalier 2.2L multifunction alarm module VIN: 1G1JC5248T
Swappedin new MFAM from dealer after checking all inputs , power and grounds, still have 243ma draw, I am missing something, for sure. Thanks, Jack.
2005 Chevrolet Colorado Sport 3.5L 4wheel drive VIN: 1GCDT14625
Hi guys got a stupid question, one of my guys unplugged the transfercase motor while doing a repair on an o2 harness and started truck up and set a service 4wheel drive light... the truck never moved mind you but i cannot find a procedure in mithchell to reset...
2006 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on VIN: 3GNEK12Z46
hello all, have this truck with all these 02 codes. cant believe all four heaters went bad at once. does anyone have any ideas. thanks Trouble codes: P0053, P0054, P0059, P0060, P0449
2007 Chevrolet Suburban 1500 LT 5.3L Daytime Running Headlamps VIN: 1GNFC16097
This vehicle was brought in with the daytime running headlamps on. They stay on all the time. I pulled the fuse and the lights went out. Using a tech2 i see the relay is commanded off. However the lights remain on. All data shows an unserviceable relay in the ...
2008 Chevrolet Uplander LT 3.9L Door VIN: 1GNDV33198
This van came in with a rear sliding door that would close completely and then open right back up. The scan tool BCM data shows the switch seeing that the door is completely closed. We replaced the detent switches and contact plate because the plate looked a l...
2004 GMC Savana 2500 4.8L abs VIN: 1GTGG25V14
Van was at a differnt shop and they replaced the parts listed know i have the van i bleed the system with scan toolo and power bleeder no differnt do not see any leaks can some body lead me in the right direction before i dive in thanks for any help
1994 Oldsmobile 98 Regency 3.8L No Start, Cuts out, Stall, MIL Lamp on VIN: G3CX52L9R4
hey guys, have a wierd one. to start, no comm is avail at dlc[obd2 conn on 1994?] will start and run great untill digital cluster HOT words appear in upper temp guage bar graph, although coolant temp reading is not even halfway.cooling fans cycle on always whe...
2004 Pontiac Grand Prix GTP 3.8L ABS Module VIN: 2G2WR544X4
This is my personal car. While sitting still my DIC will go off with ck ABS, Traction Control, Stability Control and Ver. Effect steering. Also on the IP all those come on plus the red brake light. I have scanned the system, went through all Mitchel said and t...
2003 Saturn Vue 2.2L No Movement After Rebuild VIN: 5GZCZ33D23
After replacing belt and pulleys converter will not charge with oil , no fluid pumping out of cooler lines , replaced pump same symptom , 3rd time removing transmission air checks good on all drum and drive pulley , driven pulley leaks air in pulley compressed...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick Century Limited 3.1L Poor Idle Quality VIN: 2G4WS52J13
After much deliberation I decided to replaced the pcm and that repaired the problem. Thanks to everyone for the input and help.
1994 Cadillac DeVille 4.9L Cooling Systems VIN: 1G6KD52B6R
To check water pump flow we removed upper hose and started vehicle, coolant gushed from hose indicating functioning water pump. Put everything back together and car seemed fine. Did we free something up when we removed hose ? Maybe. Customer had seven hour dri...
2003 Cadillac DeVille 4.6L tcc solenoid VIN: 1G6KF57963
2005 Cadillac STS 4.6L Starting VIN: 1G6DC67A05
Well it turns out that it was the PCM. The instrument panel is supposed to go out on till it starts. If not the instrument panel will come back on by itself after about 50 seconds. The problem was when I put the new PCM in and programmed it I also had to relea...
2005 Cadillac STS 4.6L Poor Idle Quality, MIL Lamp on VIN: 1G6DC67A35
ok thanks to all that helped car is fixed installed a new pcm all codes clear runs good once again thanks for all the help Trouble codes: P0102, P2119.
2009 Chevrolet Cobalt LT 2.2L Misfire VIN: 1G1AT58H09
Gentlemen, I thank you for all your input this is my brother in laws car, he has been to the dealership 3 times with no results it is still under factory warrenty. I have not worked on this yet, I did test drive it and see what his complaint is. Today he decid...
2004 GMC Sierra 2500 HD SLE 6.6L Left Front Brake VIN: 1GTHK29284
I am closing this request to use it as another update. If you can offer me anymore advise, please e-mail me! I do in fact have brake fluid contamination, the rubber on the master cylinder cap certainly is swollen. Before I concluded the fluid contamination, I ...
1998 Oldsmobile 88 Royale 3.8L a/c VIN: 1G3HN52K5W
Thanks for all the replies, all were very good, but unfortantly nothing fixed this old girl. We had the oriface out of this Olds multiple times, it was in corectly and no trash in it. We added a extra freon but only got 190 on the high side, no low side change...
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