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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 25, 2015
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Open Help Requests for GM
Help Request Answers
2003 Chevrolet Venture LS 3.4L fuel VIN: 1GNDX03E93
Thanks in advanced for any input i get on this vehicle. The problem with this van is if i let it sit for a couple of hours will not start unless i spray some carb cleaner then it will start as many times as i want as long as it dont sit for hours. i have tried...
2003 Chevrolet Avalanche 1500 North Face 5.3L transfer case VIN: 3GNEK13T93
Ok guys, I could really use some help on this one. Truck came in for growling noise while driving. Discovered truck was stuck in 4H and had the infamous hole in the t-case. Encoder motor had corroded between the case and motor enough to push it out and crack t...
2004 Chevrolet Impala LS 3.8L generic data loss VIN: 2G1WH52K04
When performing a Pennsylvania emission test the generic monitor data drops out then comes back on. This causes an error for test. Emission machine works fine on other cars. I have the same issue with a Tech 2 scanner. It does not occur on the O.E. data side. ...
2005 Chevrolet Astro 4.3L alternator VIN: 1GBEL19X15
Initially the vehicle had a noise from the alternator bearing but was charging ok. This is the third alternator i have put in. First two from autozone. First one charged most of the time but not all. Second didn't charge at all then i went to a napa power alte...
2007 GMC Canyon SLT 3.7L Cuts out VIN: 1GTDT13E17
This truck came in for an inspection had a code p0442 did a purge seal test and it seem to have a small leak. I also replaced the battery and use a jumper pac hooked up to the adl connector to keep alive the memory . Truck starts up everything works but as soo...
1999 Pontiac Grand Am GT 3.4L No Start VIN: 1G2NW12E8X
we had this one towed in for blown head gaskets that we had diagnosed a few months ago. since we thought we knew the problem we pushed it in and changed them, car started right up i checked all the fluids and drove it around the block, pulled it back in to dou...

Fixes & Summaries for GM
Fix/Summary Answers
1971 Chevrolet C20 Pickup 5.7L Drive
Transmission case wiped out.Drive clutch pack burnt.Drive clutch roller bearing rolled.But the truck still drove fine when pulled.Replaced with a different trans.
1996 Chevrolet Camaro Z28 5.7L hose routing VIN: 2G1FP22P1T
Thank you for all of the responses. Line does not connect to anything. Cleaned the top of canister and saw the word AIR under the port. Finally found a Camaro forum online with pictures to verify this. Hose/plastic pipe just ends right above fuel pump. Definit...
1998 Chevrolet K1500 Silverado 5.7L abs VIN: 1GCEK19M8W
first of all THANKYOU for all the replies. after 2 master cylinders 3 control modules a booster and 2 gallons of brake fluid we still couldn't get a pedal, it even had 2 g.m. 'master techs' look at this truck for us with no avail. what we ended up doing was we...
2004 Chevrolet Silverado 3500 6.6L Poor Idle Quality VIN: 1GCJK39274
Thank you for the replies. we verified no rattle from clutch area due to failing dual-mass flywheel, monitored crank sensor signal (was clean but replaced as a simple test), verified no movement in crankshaft or tone-ring, verified no smoking from exhaust and ...
2009 Chevrolet Express 3500 6.6L Charging VIN: 1GBJG31629
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