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Prev Professional Automotive Repair Technical Discussions for May 15, 2014
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Open Help Requests for GM
Help Request Answers
2005 Buick LaCrosse CX 3.8L trunk release VIN: 2G4WC56245
both key fob and interior switch will give you a click from bcm but no power to trunk release, Mitchell seems to have conflicting info on which wire it is leaving the bcm and the wiring diagram shows it as unfused but there is a door/trunk fuse so since Mitche...
1999 Cadillac Catera 3.0L MIL Lamp on VIN: W06VR52R6X
dtc's set at freeway speed long term fuel trim goes to positive 25 at freeway speeds both pre cat 02 sensors have been replaced condition still the same fuel pressure within spec fuel filter new no apparent vacuum leak check with smoke and carb cleaner Trouble codes: P0171, P0174
2003 Cadillac Escalade 6.0L Reduced engine power VIN: 1GYEK63N03
OK so I have this escalade here. We have replaced the Tb Connector, TB,Tac Module, Pcm, App sensor, Tp sensor 1 wire from tb to tac module. The vehicle randomly goes into limp/reduced engine power mode followed by a one of the codes from above which usually al... Trouble codes: P2135, P1125, P0121
1998 Chevrolet K1500 Cheyenne 5.0L Engine VIN: 1GCEK14M2W
Hi everyone, I have a 98 chev 1/2 ton pickup up here that was getting coolant into the crankcase from some leaking intake gaskets (suprise)! Thought I would be able to save it as the lower end was still quiet. Well I proved myself wrong, a test drive to town, ...
2001 Chevrolet S10 4.3L No Start VIN: 1GCCS19W41
Hi to all, Customer towed truck to shop ,died in flight, no start. Chk'd fuel pressure 61 psi koeo,drop's to 55psi cranking,replaced fuel filter,new plugs .Did injector leak down none dropped to 0 psi. Had intermittant spark, replaced dist. and ign. module. N...
2004 Chevrolet Silverado 2500 HD 6.6L crank case VIN: 1GCHK23114
Vehicle is building pressure in crank case and blowing oil out the vent tube. After sitting overnight engine hydrolocks with engine oil in cylinder.
2004 GMC C7500 Topkick C7C042 8.1L master? VIN: 1GBL7C1E44
This is a GMC 7500 used as a packer. 19,000 GVW. I did rear pads and machined rotors. Used after market pads. On road test after repairs I noticed the pedal did not feel right and a little low and the brakes did not stop real good. I bled the brakes again and ...
2003 Oldsmobile Alero GL 3.4L abs VIN: 1G3NL52E23
Just want to say in advance to everyone that takes the time to read this and give my your input, thank you very much! This one is starting to drive me crazy!!! Came in 7/26/13 for (if i remember correctly) noisy bearings. Both front bearings were replaced at t...
2008 Pontiac G6 2.4L VVT Solenoid VIN: 1G2ZF57B88
The car came back in yesterday with a MIL on, and customer stated she heard a rattling type of noise from under the hood. I found a P0016 and P0017 code stored, but did not hear the noise she described. I started by checking engine oil, and found no oil on the...

Fixes & Summaries for GM
Fix/Summary Answers
1970 Chevrolet Corvette 5.7L Carburetor VIN: N0TAVA1LAB
Thanks for all the replies. I was very much aware of all the little tricks and pitfalls having rebuilt many of these back when they were still fairly new. A special thanks to Peter [...] Keuren who had the actual Rochester carburetor Volume 9 manual with all the...
2001 Pontiac Aztek 3.4L No Start VIN: 3G7DA03EX1
As usual most of the responces were Bs where people are just throwing sh^&$ out thier to improve thier ratings. I did get some great info from the ones who are trying. I ended up with several problems, First was no spark. I had 12v+ to injectors and no pulse....
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