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Prev Professional Automotive Repair Technical Discussions for December 9, 2010
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1989 Cadillac DeVille 4.5L fuel and a/c data VIN: 1G6CD1157K
This vehicle came to my shop with a concern that the A/C control panel & fuel info centre were inoperative. Customer had said that the fuse #7 kept blowing. When the vehicle came to me fuse #7 was OK but the info centres were blank. I located the T.S.B. regard...
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2004 Cadillac SRX 4.6L Suspension VIN: 1GYEE63A04
Hello I have a srx here that is makeing a very load noise in the frt not a clunk but a squeek (not a brake squeel).When i drive forword and stab the brake i get this noise. I can bounce on the suspansion and get no noise but if i have someone sit inside with t...
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1997 Chevrolet S10 4.3L battery draw VIN: 1GCDT19X2V
Can any one help with this S-10? It has a battery draw and I have found the draw when I remove one wire from the battery junction box.There are 5 studs on the battery junction box and if I take the one wire that is the second stud from the front of truck there...
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2004 Chevrolet Silverado 1500 5.3L Runs too cool VIN: 1GCEK19T84
Hello Iatn, My friend a retired tech called me with this problem on his truck. I look through Alldata and could not find anything. Looking for suggestions. 185 seems a little low since he stated it always runs at 210. I am going to suggest a heater core flush....
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2005 Chevrolet Aveo LT 1.6L MIL Lamp on, Highway shifting VIN: KL1TG2605B
We put a 20,000 motor in this beast a few months ago. This car runs absolutely prefect. The problem is as soon as the vehicle exceeds 65 mph, the engine light lights up (P0300) and the hold light flashes. at this time the car will not shift in to overdrive and... Trouble codes: 0300 (random multiple misfire)
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2003 GMC Savana 2500 4.3L Monitors Ready VIN: 1GTFG25X43
Changed the Catalytic Converter with a direct fit unit. Reset the check engine light and all monitors have reset except the Evap and the Catalyst Monitors. The vehicle has been driven about 600 miles and the monitors will not reset. Last night I had the custom...
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2003 GMC Sierra 2500 HD 8.1L defroster temp VIN: 1GTHK29623
Defroster vent only 80 degrees while floor and vents are 125 degrees. Tried flushing heater core and dropped down blend motor on right lower side of plenum and moved door manualy and temp changes from cool to 80 degrees. Eng. temp at 195. Any sugestions would ...
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2006 GMC Envoy XL SLE 4.2L Electronic VIN: 1GKET16S56
Got code B0145 (Airflow position command 3) circuit rear blower not working sometime it does after longtime; dont know the location of that part imean command 3 please any help would be appreciated
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick LeSabre Limited 3.8L Rear shocks VIN: 1G4HP52K83
Thanks to roger and jose. I swapped out the acdelco shocks with a set of napa brand and the thing is perfect. Thank you everyone for repling!
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1978 Cadillac DeVille 7.0L Poor Idle Quality, Misfire VIN: 6D69S8Q224
thanks to all that replied.It ending up being the carb. replaced with a new one and the problem solved. IATN is the best.
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1978 Chevrolet Corvette 5.7L hyd. lines VIN: 1Z87485422
hello all, thanks for the replies! indeed i feel dumb here, i was bleeding the rear with the wheels on and did not see that the rear calipers were leaking. i was aggravated that i was thrown into the midle of this and did not take the time to do my own diagnos...
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1998 Chevrolet C1500 Suburban 5.7L Belt VIN: 3GNEC16R3W
36 replies. The fix was adjusting p/s pulley to be flush with outside portion of arbor. We moved it about an 1/8 on an inch. (I guess it moves over time. We have worked on this truck for some time now and have not adressed anything to do with the p/s) Never se...
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2001 Chevrolet Silverado 2500 HD LT 6.6L 2-1 downshift VIN: 1CHC23101F
WE PUT LUBEGAURD IN AND DROVE FOR IT FOR A WEEK AND IS DOING FINE. I ASSUME IT WAS A VALVE THAT WAS STICKING ON DOWN SHIFTS. NOT THE ANSWER I WANTED BUT IT WORKS AND CHEAP ENOUGH.
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2003 Chevrolet Silverado 1500 5.3L Electric Window key fob door locks VIN: 1GCEK19T03
Well thanks everyone for the input. I took the door panel off and added tape to the wiring harness and no problems yet. Ive waited three weeks and the customer said it is workng fine. I dont know if i fixed it for sure but for now it works.
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1995 GMC Safari 4.3L Surge, Cuts out, Stall, Misfire VIN: 1GKDM19W5S
We have gone thru all the suggestions - distributer magnet, compression, chafed wires at the distributer, compression, leak down, EGR, exhaust restriction. The aftermarket injector assemblies just don't seem to cut it. The customer has elected to stop spendi...
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2002 GMC Sierra 2500 HD SLT 6.6L PRNDL Neutral Saftey NSBU VIN: 1GTHK2316F
Induced multiple codes while testing the wiring from tcm to prndl. Couldn't clear any of the codes. Found TCM to be bad. Thanx for all the help.
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2004 GMC Envoy SLE 4.2L Brakes VIN: 1GKDT13S94
A great big thank you to all who responded so quickly. Everyone's response was the same, indicating a wheel speed sensor dropping out at low speed. This will keep me from car payments for a bit longer. Thanks again to all. Merry Christmas
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2001 Oldsmobile Aurora 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1G3GS64C91
Good visual inspection fixed it. Found pinched wire at connector on #2 crank sensor. The wire harness was holding tension on the wires coming out of the connector. As soon as we took the tension off the vehicle smoothed out and ran well. We slacked the harness... Trouble codes: P0106, P1599.
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2002 Saturn SL2 1.9L Fuel Supply Line VIN: 1G8ZK52732
We changed the fuel supply line and the fuel pressure regulator which is part and partial with the fuel filter. The vehicle is fixed, customer has not had any other problem.
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