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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 17, 2013
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Open Help Requests for GM
Help Request Answers
1998 Cadillac DeVille Concours 4.6L Pressures VIN: 1G6KF5492W
Car came in A/C not cooling. recovered .5 lb freon . Attempt to recharge ( 2.0 lb capacity ) and system will only take .75 lb of freon . Compressor will kick in and high pressure goes to 400 and low side to 70 and compressor will kick out due to excessive high...
2004 Cadillac DeVille 4.6L windows VIN: 1G6KD54Y94
Man this car is driving me nuts!!! customer brought car in with a inop right front window,I replaced window motor and regulator with a aftermarket piece, window worked fine, customer takes car,after 3 weeks he brings back with none of windows working, after ch...
2005 Cadillac SRX 4.6L Exhaust VIN: 1GYEE63A05
car makes noise under light load or cruise between 1750-2000 rpm. is not speed related! cant be duplicated on lift, only while driving. sure sounds like exhaust harmonic. tried plugging one side of exhaust to see if noise would change or go away. this did not ...
2000 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G1JC1248Y
I have a 2000 Cav here which seems to have some multiple issues, some that are Intermittently and others all the time. Before we really start digging I was hoping someone has tackled a few of these. We have the lean code (171), we have black plugs, It runs awf... Trouble codes: P0171 (System lean)
2002 Chevrolet Blazer LS 4.3L engine VIN: 1GNDT13W02
runs good,starts when cold w/o a problem.when warm has long crank but no smoke at tail pipe.gonna test fuel press drop to see if maybe leaking fuel regulato.problem when u start warm having to hold accelerator 1/4 pedal staedy till it starts n idles smooth so ...
2004 Chevrolet Impala LS 3.8L Abs/Tpms VIN: 2G1WH52K64
Hi there people,i have this cheve that came in with a constant abs/tcs activation and abs light,and codes for both front wheel sensors and low tire pressure warning light on, after replacing both hubs and rf harness abs is now operating as it should and no abs...
2008 Chevrolet Equinox LT 3.4L Mechanical VIN: 2CNDL53F08
Nice vehicle, worked on at another shop, original complain was that the vehicle would randomly lock all 4 wheels to the point of having to tow to shop. Previous shop found a code C0131 ABS/TCS pressure sensor circuit and replaced EBCM and delivered vehicle. C...
2009 Chevrolet Silverado 3500 HD LT 6.0L Unknown VIN: 1GCHK84K59
Truck came in with hood open displayed on drivers info center another tech looked at it and installed hood latch which contained the hood ajar switch. Still displays hood open and also noticed red brake light on dash is on. I pulled codes from all available mo...
2009 Chevrolet Silverado 1500 LT 5.3L Mechanical VIN: 3GCEK23399
hey gm guys I have this customer with a 09 chevy Silverado 1500 with a 5.3 has had the pistons replaced valve cover update for pcv valve because was using oil quart ever 1000 miles. I did not do the job but it was done under warranty. but wants us to take a lo...
2001 GMC Sierra 3500 SL 6.6L No Start, Cuts out, Stall VIN: 1GTJK34111
Vehicle came in after friend installed fuel injectors and sleeves. The person that did the work forgot to install the glue on the base of the injector sleeves. I installed the injector sleeves with the glue but did not clamp them down with the injectors right ... Trouble codes: P0463, P0540, U1800 (Lost Comm with FICM)
2006 Pontiac GTO 6.0L Key-less fobs VIN: 6G2VX12U46
So I went off to the dealership technician with TECH-2 could not figure how to erase the previous remote(s) to gain full function of the two new remotes. Once programed the remotes (they say) cannot be reprogramed to a different car. Any way you know how frust...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Buick Rainier CXL 4.2L Rear Air D Height VIN: 5GADT13S85
First of all thinks to everyone that replyed.To start of with the fix. We found out that when we did the relearn on the rear air suspension. not all the air was released. from the left side. so we took the air lines off the compressor. found that when we did t...
2002 Chevrolet Corvette 5.7L Oil pan, Timing cover VIN: 1G1YY22G42
Thanks for the input, there was an error in reassembly. On the passenger side of the oil pan the trans line bolt was a couple of threads too long. It pushed through and caused the leak, repaired and all is well.
2007 Chevrolet Equinox LS 3.4L Stability Control VIN: 2CNDL13F97
She have not bring the car back. I will post a fix, when I get the chance to fix it. thank everyone for great advise!
1996 GMC Sonoma SLE 4.3L Sensor VIN: 1GTCT19X4T
Well,Thanks For The Replies. I Decided To Try An OEM Sensor Since This Vehicle Got Worse With Each Replacement Using The Aftermarket Parts. OEM Did Fix It. Brakes Fine With No Problems. Thanks For The Help.
2007 GMC Envoy SLE 4.2L Stall VIN: 1GKDT13S77
we had jasper send a new engine installed it and everything is fine waiting for the inspection report from jasper thanks for all that replied i think the phaser was bad l Trouble codes: P0017.
2004 Saturn Vue Red Line 3.5L Stall, Misfire, MIL Lamp on VIN: 5GZCZ63464
First off Thank You to all who replied. The exhaust valves on every cylinder were tight. Re-adjusted to the high side and the misfires are gone. The customer was happy it was the valve adjustment instead of a computer problem. Who would have thought ? It just ... Trouble codes: P0172 (Rich B1), P0300 (Multiple Random Misfire), P0301 (Misfire 1), P0302 (Misfire 2), P0303 (Misfire 3), P0304 (Misfire 4).
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