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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 9, 2007
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Open Help Requests for GM
Help Request Answers
2004 Cadillac SRX 3.6L downshift clunk VIN: 1GYEE63794
This is a car from a high end used car dealer. There are no codes, fluid spotless and runs great - except - it has this double clunk on downshift. We have isolated that this clunk only occurs after car has shifted to 4th or 5 gear before decelerating. If you m...
1993 Chevrolet Camaro 3.4L engine VIN: 2G1FP22S1P
Happy Friday everyone! Need some advice or support. Have this Camaro in the shop for overhaeting problem Classic symptoms are the gauge going up and down no loss of coolant, We pressure tested, and did a block check,Both were negative. Replaced the thermosat (...
1994 Chevrolet Corvette 5.7L Passive keyless entrey VIN: 1G1YY32P5R
I have a 94 corvette with passive keyless entry. The door locks intermitantly lock while driving or with the car sitting in the shop. Sometimes they lock only once, sometimes they will try to lock multiple times in a row. Also the courtesy light do not work. C...
1995 Chevrolet K2500 Cheyenne 6.5L Misfire VIN: 1GCGK29FOS
I am posting for a fellow tech. Truck came in burning coolant. Heads were bad. New heads etc. Customer stated he had the starting problem for a while. When starting engine cold it starts fine, runs fine for a few seconds then starts to missfire and smoke (whit...
1996 Chevrolet C1500 5.7L valve train VIN: 1GCEC14R0T
I have a 96 vortec stroker motor with what sounds like a lifter/rocker tick,more cold then warm but still thear.we pulled this motor,had it rebuilt and still ticks over cyl 3/5.pulled it again and machinest switched blocks and rebuilt it checked heads no coil ...
1997 Chevrolet Express 2500 5.7L MIL Lamp on VIN: 1GCGG25R1W
when vehicle arrived it was running slightly rough with engine light on retrieved above code with a gynisis and to further diagnos problem tried to live read system,and can retrieve no data figured ecm failure,,,had a fresh ecm programmed and installed still c... Trouble codes: P0174
1997 Chevrolet Blazer 4.3L Poor Idle Quality, Poor Fuel Economy VIN: 1GNDT13W3V
During diagnosis on misfire screen on Motis Knock value is 4.67 Volts with 0 knock retard, unplugging knock from pcm value is still 4.67 with 0 knock retard...What the bleep is going on? Is this related to our concern is it a wild goose chase?
1997 Chevrolet K2500 Cheyenne 6.5L fuel gauge VIN: 1GCGK24F3V
This truck originally came in as a no start, found the fuel tank collapsed, sender damaged, multiple opens when sweeping it from empty to full. With the new sender, the owner says the fuel gauge swings drastically, will swing the full range when coming up to a...
1999 Chevrolet K2500 Suburban 6.5L Excessive Emissions, MIL Lamp on, loud VIN: 3GNGK26FOX
Help Thes Nice people took their truck to the wrong shop and now a nightmare has been born, When I got this truck it was the loudest engine i have ever heard (it sounded like spark knock to the extent that the motor was comming apart). was told it was a creat ... Trouble codes: P0216
2000 Chevrolet Malibu LS 3.1L Starting VIN: 1G1NE52J0Y
Hi, sure can use your help. Problem is intermittent, usually occurs in morning when 1st try to start vehicle.Vehicle will start & shut off continuously.Has good fuel pressure & spark.Replaced Ignition lock cylinder with passlock chip.Performed Ignition key rel...
2001 Chevrolet Impala LS 3.8L starter VIN: 2G1WH55K21
This time vehicle is back and starter is working good now. Customer said last nite he pulled into garage and turned ignition off and starter motor kept spinnig again, not engaged into flywheel. This time he did disconnect the battery. Then this morning he reco...
2001 Chevrolet Blazer LS 4.3L Poor Idle Quality, Hesitation, Surge VIN: 1GNDT13W81
vehicle came in with bad hesitation under wot. let sit over night and had the same problem when it was cold as it warmed up became a little better ..did fuel pressure check at the port 50-55 key on but went quickly to zero ..isolated fuel pump lines and had 70...
2004 Chevrolet Avalanche 1500 Z66 5.3L PRNDL indicator VIN: 3GNEK12T84
This vehicle was brought in for battery drain sometimes. When I walked up to it, the battery light was on and the prndl indicator was lit up with the key in my hand. We had a different avalanche in a couple years ago with the same problem. We never did figure ...
2003 Oldsmobile Aurora 4.0L No Start VIN: 1G3GS64C23
ok, i am sure this an easy one for all you gm guys out there, but i cant figure out how to get the theft deterent module reprogrammed after i put a new computer in. i have a tech 2 from a nearby shop that i am using, but i have tried all the functions and stil...
1993 Pontiac Grand Am SE 2.3L Hesitation VIN: 1G2NE14DXP
just like i said above cant find much info on this fault
1999 Pontiac Grand Prix SE 3.8L shifter VIN: 1GW2R5219X
won't shift out of park sometimes... thanks for info...
1996 Saturn SC2 1.9L enigine VIN: 1G8ZH1270T
whats up guys , i'm having some difficulty getting a engine enigne tick to go away . I've replaced a leaking head gasket reasembiled the enigne and on start up i have a loud tick sounds like its coming from the timing chain tensoner replace tensoner and still ...
2002 Saturn SL2 1.9L Cuts out VIN: 1G82H52852
custmer came in with engine dyeing out and than comimg back on line at about 65-70 mph and will also do it at 35 mph. test drove car and it was not happening at the time.replace parts to TSB known repair parts. Called back two day later and it was doing it aga...
2005 Saturn Vue 2.2L Misfire, MIL Lamp on VIN: 5GZCZ23D35
hello my wife started the car to go to work yesterday and she said that it started hard vibrated bad and mil lite came on and started to flash ,so she shut it down and waited a while and tried again with the same result. put scanner on and showed no codes ,l...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Buick Rendezvous CX 3.4L Hesitation VIN: 3G5DB03E84
I personally didn't fix the car, It was take to G.M. dealer and I asked the client to give me the deatils, phoned him yesterday and the cars fixed. G.M.s explanasion was they replaced the hub bearing that was noise/a.b.s. lamp on and that was causing the driv...
1982 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation VIN: 1G1AY878XC
Thanks for all the advice.The next step was to hook up our new smoke machine which instantly revealed vac leaks at the throttle body shafts and the headlight door servo switches.I was able to block off the vac source to the headlamps and the chacteristics of t...
1995 Chevrolet K1500 Suburban 5.7L 1-2 and 3-4 shift VIN: 1GNFK16K4S
Replaced 2-3 shift solenoid and wiring harness inside the transmission. Also ran a new wire from Ignition (Key on) voltage to the transmission. Trany works fine now. The summary of replies is to replace 2-3 shift solinoid and wiring harness inside transmission...
2000 Chevrolet S10 2.2L MIL Lamp on, No communication VIN: 1GCCS1453Y
Hey...Dan from Texas...Why dont you just keep your responses to yourself...you are of no help...if you don't have a technical response please do not respond...I guess the economy in your area is perfect so you can refuse work when you want and not TRY to help ...
2001 Chevrolet Blazer LS 4.3L key removal VIN: 1GNDT13W91
After reading the response from other techs, I bought a used shifter assemly, (money concerns). The switch was part of the shifter as most of you stated. I replaced the shifter assembly and all is well. Thanks to all who took the time to help a fellow tech.
2003 Chevrolet Silverado 2500 HD 6.6L Unknown VIN: 1GCHK23103
Thank you all for the replies to our post. When the lift kit was installed a spacer was added between the rear drive shaft center bearing and the frame. This was causing the front yoke to rub on the transfer case rear output seal. We removed the spacer and rew...
1996 Oldsmobile Cutlass Ciera 3.1L valve train VIN: 1996OLDSMO
Thank's to everyone for the help. Harold and another Tech were right about the wrong intake gasket set. The heads have guide plates already. The different intake gasket has molded guides in the gasket that aren't required. This put's extra pressure on the push...
2001 Oldsmobile Intrigue GL 3.5L Crossover tube VIN: H11F178326
I recieved replies on the labor for this job, ranging from 5.6 to 9.5. I still cannot find the labor in my Alldata. I am using the online version. We quoted 7.5 hours assuming that we would loosen the exhaust and be able to move it enough to allow the crossov...
1991 Pontiac 6000 LE 3.1L No Start VIN: 1G2AF54T5M
Thanks For the great replies I had two cars here with the same problem the other was a 90 Firebird. Both cars had been too other garages in the area but didn't get fixed both cars were tow in. The firebird was here a week before the 6000 when testing the 6000...
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