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Prev Professional Automotive Repair Technical Discussions for September 7, 2011
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Open Help Requests for GM
Help Request Answers
2002 Cadillac DeVille 4.6L steering pump VIN: 1G6KD54Y52
we had a noise at full steering lock that is getting worse.the pump will whirr with just slight pressure. it sounds worse inside the car than under the hood. thanks for any help.
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1997 Chevrolet K2500 Suburban 5.7L R/R Drum VIN: 1GNGK26R6V
The vehicle came in with vibration in rear, front brakes metal to metal and rear shoes worn out. we replaced all parts in the brake system pretty much. The problem is that the right rear drum keeps warping due to the brakes adjusting them selves too much. We a...
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2001 GMC Sierra 2500 HD SLT 6.6L fuel system VIN: 1GTHK23101
condition is intermitting had vehicle for a week and could not duplicate
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1993 Oldsmobile Bravada 4.3L Poor Idle Quality VIN: 1GHTDT13W3
hell techs have a code 32 egr problem runing rough and rich hard brake pedal took of egr valve and found two carbon chunks stuck in the pintal put in a borg warner egr valve and cleaned the ports runs fine but right away sets code 32 again plug back in old val... Trouble codes: 32 (egr system problem)
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2003 Pontiac Montana 3.4L Excessive Emissions, Stall VIN: 1GMDU23E63
Hello and thanks for taking a look at this one, we have this montana van that came in for poor running, she said it stalls alot. at first it drove great but quicklly developed the stalling issue. after pulling the codes p0101 only, i inspected the maf and foru... Trouble codes: P0101
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2004 Saturn Vue 3.5L No Start VIN: 5GZCZ53444
no comunication from pcm to tech 2. can communicate with body control module. fuel gauge also does not work. Alldata stated if there is no communication with DLC, fuel gauge would be inop. They are correct. Trouble codes: B1372, U1088, U1096
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Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick LeSabre Custom 3.8L ignition switch
I opted to replace the switch again with another aftermarket, after opening and inspecting the old and new one, I noticed the pink wire was not tightly crimped to the switch terminal on both switches, so I soldered the new one and going to see how long it live...
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1993 Cadillac DeVille 4.9L Poor Idle Quality, Misfire VIN: 1G6CD53B8P
A GREAT BIG THANK YOU FOR ALL THOSE THAT REPLIED I DID PULL THE EGR VALVE AND TESTED WITH WATER AND COULD NOT BLOW THOUGH IT UNTIL OPENED DIAPHAM CLEANED ANY WAY AND REINSTALLED, SAME PROBLEM. ORDERED ECM FROM DEALER INSTALLED AND PROBLEM SOLVED I HAVE HEARD O...
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1998 Chevrolet Cavalier 2.2L Misfire VIN: 3G1JC1242W
Well it left without being fixed/ the customer had to have her car back with intentions of bringing it back for us to keep trying.Thanks to all who replied.
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2001 Chevrolet Tracker 2.0L Mechanical VIN: 2CNBJ13C81
Thank you so very much for taking the time to read and reply to this help request. As most of you said we defiantly had a master cylinder that was displacing fluid to the wheels. After replacement of the master cylinder we gravity bled the system for almost 4...
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2002 Chevrolet Trailblazer EXT LT 4.2L Engine VIN: 1GNDT13S12
The Trailblazer is waiting for a reman engine to arrive. The fact that it did turn and did build 140 psi of compression had me think wierd thoughts. The cranking rpm was really low. we pulled the valve cover and found the cams turning ok, but they were alittle...
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2005 Chevrolet Trailblazer LS 4.2L engine VIN: 1GNET16S45
To all of you that took the time to read and put your input in to this we have all came to the conclusion at our shop that this incident was caused by an individual. Once again we are the third party this vehicle came to us from another shop for us to diagnose...
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2008 Chevrolet Silverado 1500 LT 5.3L abs VIN: 2GCEK13388
Well this one is fixed. I would like to thank everyone for the fast response received. I especially would like to thank Todd from Michigan, who gave an excellent description on how this system works, and Raymond from Pennsylvania. Raymond hit it right on the h...
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2005 GMC Yukon SLT 5.3L Oil pressure VIN: 3GKFK16Z65
Hi everyone! Thank you for all of your quick help replies, the customer has decided to sell this vehicle.
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1991 Oldsmobile Cutlass Ciera 3.3L No Start VIN: 2G3AL54N4M
Everyone who said to check the injectors hit the nail on the head. Had 3 bad injectors when ohmed out hot. Ignition module wasn't even an optiuon as I had good signal from the module. Unpluged all the injectors and sure enough got a pulse on the noid light....
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2001 Pontiac Grand Am SE1 3.4L No Start VIN: 1G2NF52E81
My partner who has been working on problem found kind of dumb concern which could catch us all. TP voltage was at 4.50 volts causing injector cutout or clear flood mode/no injector drive. Hose clamp on Intake in wrong position at throttle body catching throttl...
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