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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 6, 2007
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Open Help Requests for GM
Help Request Answers
1989 Cadillac Allante 4.5L No Start VIN: 1G6VR3182K
the car came in to my shop and as a no start put the key in the ignition and go to crank and in the crank position the left ft head lamp comes on and no engine crank let go of the key and on the message board it says remove key from ignition starter disabled r...
1992 Cadillac Eldorado 4.9L starting VIN: 1G6EL13B7N
it has perfect cold start condition . if driven 4 mile, or even less miles is very hard to restart after shatting it off. it pull about 500 amps. new battery, very good shape cables. timing is fine. tried 3 reman and 2 new starters!!!
2003 Cadillac CTS 3.2L Poor Idle Quality VIN: 1G6DM57N43
The car idles rough with the AC compressor on and idles great when the AC compressor is off. Long term fuel trims are 0 on both banks and short term fuel trims fluctuate between -2 and +2. There are no misfires in the solus scan data AC pressures are ok an...
1998 Chevrolet Monte Carlo Z34 3.8L abs VIN: 1GR4YHERIU
Modulator and soelnoid packs were replaced,in order to rectify a noise that occurs during braking above 15 mph,by another tech at sister shop. its been assembled correctly rehoned with tech 2. Sounds like a clicking noise on normal brake application. bfom. tec...
2001 Chevrolet Malibu 3.1L Excessive Emissions, MIL Lamp on VIN: 1G1ND52J21
this is my first post so be patient. this 2001 malibu came in with the ses light on and code p0442. tested vent valve and purge solenoid. replaced both along with the fuel cap. reran evap leak test with tech2 and failed again. i also vacuum tested the charcoal... Trouble codes: P0442
2002 Chevrolet Cavalier 2.2L all gauges VIN: 1G1JC52462
hi this is my sister car i work at a vw dealer now so i have no info and or diagnostic equipment and no wiring diag on hand for gm all gauges inop the fuel gauge needle is sitting on the temp needle and i have no speedo and rpm no fuel and no temp also radio s...
2003 Chevrolet Express 2500 4.8L Stall VIN: 1GCGG25V43
Hello GM techs i have a van here that shows a code PO507. the van idles low when warmed up & stalls out when first started up when cold, i have replaced the throttle body which comes with a iac & tps on it, i have smoked out the intake & see no leaks HELP!!! ... Trouble codes: P0507
1999 Pontiac Grand Prix GT 3.8L Rack and Pinion VIN: 1G2WP52K7X
Coustomere came in with a no power steering to the left but car would steer fine to the right. so i dissconnected both outer tie rod ends and tried to steer the car in the air and it still was hard to turn left and easy to turn right. We decided to change the ...
1995 Saturn SL2 1.9L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1G8ZK527XS
This car has been bucking, when decelerating from cruise. Gradually getting worse , hesitating, sometimes no start and when it does start, poor idle quality, sometimes exhibits symptoms of crossed spark plug wires , put scanner on it and watching live datastr...
2000 Saturn LS1 2.2L Hesitation VIN: 1G8JU52F7Y
Ok fellow techs I have a problem child, we have a 2000 Saturn LS1 that has a severe hesitation off idle to 3000 rpm, then it clears up and runs fine. We tested fuel pressure and it was 50psi at idle and above idle, flow tested good. Also tested MAP sensor volt...
2004 Saturn Ion-1 2.2L Valvetrain VIN: 1G8AF52F94
Car was recently at dealer for a #2 injector and diagnosis of valvetrain noise problem. Dealer told customer needed a head job and noted TSB for "porous" head condition. Checked all plugs no water intrusion...car started making bad valvetrain noise after runni...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Cadillac CTS 3.6L Electric Windows VIN: 1G6DP56785
Hi everybody, sorry about the delay but the customer collected the car without being repaired, i checked the fuses under the rear seat all are ok, disconnected the battery for 5mins didn't work too, thanks for all the help. Best regards
1972 Chevrolet chevelle 350CID Mechanical VIN: 1G4K53GHTY
ty to all who took time to respond esp jeffrey from mass.the problem turned out to be that the output shaft thrust washer and selective washer got destroyed appears thrust washer was spinning and really baked the three tang selective washer.(black) which i'm s...
1991 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality VIN: 2GCEK19K5M
Thanks for all the help. Sorry I diddn't reply earlier but had computer probs. Well the relearn IAC fixed the problem. Thanks again, easy fix but overlooked. Mike
2001 Chevrolet C3500HD 6.5L No Start VIN: 3GBKC34FX1
The problem was the injection pump, although the module was bad the pump was also bad, in addtion the pump is acutally back out again due to the fact the reman one leaked like crazy
1999 GMC Jimmy SL 4.3L batt draw. VIN: 1GMNBGH563
Well kind of fixed it.Got angry from working on the same car for 5 hrs. started pulling on wire loom and draw went away...
1991 Oldsmobile 98 Regency Elite 3.8L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GC3W53L8M
Hey guys sorry for the delay in closing this.Thank you to all who took time out of your day to help.I drove this home for a couple of days with not much of a problem.Finally one morning it started randomly dieing at cruising speed.Got to work and hooked the sc...
1994 Pontiac Firebird Formula 5.7L parking brake VIN: 2G2FV22P1R
Well it seems this is one of those that justs bites you,I want to thank Rob and Ronald.I use both of your suggestions,I replaced the calipers again and ratched the parking brake before bleeding.We ran the car on the lift,and it seems the vehicle has a proporti...
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