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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 4, 2013
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Open Help Requests for GM
Help Request Answers
1968 Chevrolet C10 Pickup 5.3L Engine VIN: CE248Z1721
Hello, We have a rebuilt 5.7L Chevrolet engine that was running in a later model Blazer. This engine was transplanted into a 1968 Chevrolet C10 pickup. The only thing that was changed was the camshaft and bearings. The engine had less than 1000 miles on it bef...
1996 Chevrolet K1500 Cheyenne 5.7L under accleration VIN: 2GCEK19R9T
Vehicle has a noise under acceleration. It shows up in every gear but more so in the 1st and 2nd. When you accelerate very gently it doesn't "grind" however when you accelerate with any vigor it really grinds at about 2000rpm on up. It stops immediately upon l...
2002 Chevrolet Impala 3.4L Starting VIN: 2G1WF52E42
Hey guys im working on this 2002 impala, this car was brought to me with a no crank and headlight intermidiate problem i end replacing bcm for headlight problem and got fix but the car still no crank,i check all the starting circuit form pcm to starter ok if g...
2008 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15X18
This van has been repaired by the dealer.I am just looking for confirmation from some gm techs.Van had a problem where the temp gauge on the dash would drop to 0 even though with scanner hooked up engine temp would read normal.When van was shut off an try to r...
1996 Pontiac Grand Am SE 2.4L Running. VIN: 1G2NE52TXT
Well this one is weird. Im mainly writing to see if any has experienced this specific issue. Car will start up fine and run good. Alternator is in spec of amps and volts. All interior functions properly operate. The exterior is were things get weird. Headlight...
2002 Pontiac Sunfire SE 2.2L power steering pump
This car was leaking power steering fluid from the pump shaft seal. I replaced the pump with a unit from a auto wrecker. The problem is it is still leaking, but here is what I am not sure of. When I take the cap off of the pump reservoir it "pops" from the pre...
2009 Pontiac G8 GT 6.0L Airbag VIN: 6G2EC57Y49
Hi. This car came in with an airbag light on. Scanned for codes - no codes. Read data. Found passenger seat position sensor not present. Checked wiring for opens or shorts - found none. All readings are at 0.0001 ohms. Checked and replaced sensor. Still no cha...
2006 Saturn Ion-3 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G8AL55F96
I inherited this from another tech here iin the shop. Twice(!!!) it has misfired on cylinder 2 & 3. No rhyme or reason. Shut the car off, count to 12, and it runs fine. Now I have it. The only odd thing I have seen is the cooling fan. All if fine up to abou...

Fixes & Summaries for GM
Fix/Summary Answers
2008 Cadillac Escalade 6.2L Lift gate VIN: 1GYEC63878
I thought i closed this, sorry. It was the micro switch in the motor. only comes as a whole module. $450 from dealer. Thanks for all your help.
1981 Chevrolet G30 Hi-Cube 5.7L Unknown VIN: 2GBJG31M8B
Thanks to all for your help. All the wiring under the hood was untampered. The customer chose to run a new wire from the low pressure switch to the compressor and it works perfectly. 42 degrees and no freeze up. These older systems can be converted and work we...
1997 Chevrolet Astro 4.3L No Start, Cuts out, Stall, Misfire VIN: 1GBEL19W1V
bad ecm tahnks for all the help but finaly got it to act up and die taped the enc and started right up tahnks again Brian
1999 Chevrolet Astro LT 4.3L timing componants
Thanx for all replies,customer picked up said vehicle and has elected not fix the vehicle but all info was very helpful to me and I do think that there is some cam issues as to why there is still a miss.
2001 Chevrolet Silverado 2500 HD 8.1L Noise from off idle to 1300 rpm VIN: 1GCHK23G61
I haven't fixed this one yet, have been too busy. I will come back and post the fix as soon as I get a chance to fix this thing. Replies suggested: cracked flywheel, torque converter hub, check starter. I'm going to pull the transmission next to take a look. ...
2007 Chevrolet Trailblazer LS 4.2L Sunroof
Found out there is adjustment on the sliders, thank for all your help
1989 Pontiac Firebird Trans Am 3.8L Misfire VIN: 1G5FW2177K
well zarkis nailed it! the maf was crapping out installed reman and running perfect again man i love my tta!!@! thanks guys for the support! greg
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