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Prev Professional Automotive Repair Technical Discussions for November 10, 2009
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Open Help Requests for GM
Help Request Answers
2005 Buick Rendezvous CXL 3.4L cluster VIN: 3G5DA03785
here comes another strange one, this one was a tow in, checked the battery and read good with tester. found the negative cable loose so i thought problem solved,no such luck. here is what it is doing, when you turn the ignition on everything reads ok except fo...
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2005 Buick Rendezvous CXL 3.4L cluster VIN: 3G5DA03785
here comes another strange one, this one was a tow in, checked the battery and read good with tester. found the negative cable loose so i thought problem solved,no such luck. here is what it is doing, when you turn the ignition on everything reads ok except fo...
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1988 Chevrolet K1500 Silverado 5.7L Poor Idle Quality, Stall VIN: 1GTFK24K3J
I am having a little trouble with my plow truck this year. This truck will lean out and die at idle. If I unplug the map sensor, it seems to run fine and the oxygen sensor starts to switch. But if I plug the sensor back in it slowly goes lean until it stalls. ...
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1994 Chevrolet C3500 Cheyenne 7.4L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1GCGC34M9R
This pickup came in running poorly and no communication with scanner. Found it had a boneyard pcm #[...]. Installed reman pcm with that prom. Now we have data, but no codes come up on modis. Jumping aldl I get lots of codes, all trans cod...
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1997 Chevrolet Express 3500 5.7L 1-2 shift VIN: 1GCHG39RXV
Just to clarify, I do not claim to be a "trans guy". I have rebuilt several 350 and 400 THM's back in the day, so I have some idea what is going on in a trans, but I don't claim to be an expert, and usually install a reman, or send them to a trans shop. I was ...
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1997 Chevrolet K1500 Silverado 5.7L low eng temp VIN: 1GCEK14R6V
I'M AN ASE TECH 15+ YRS EXPERIENCE. NOT SURE WHERE TO TURN. ANY AND ALL HELP APPREITIATED. Truck consistantly runs about 170degs. I have replace thermostat multiple times. flushed coolant system.Radiator.water pump.thermostat, have all been replaced with new ...
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2001 Chevrolet Camaro Z28 SS 5.7L p/s pump VIN: 2G1FP22G01
power steering pump growls loudly at 1500 rpm if steering wheel is turning. all sounds fine if rpms are up and not turning wheel.customer originaly brought the car in for growling in p/s pump. i saw it was full of coolant, changed water cooled p/s oil cooler. ...
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2003 Chevrolet Impala 3.8L no heat VIN: 2G1WH52K13
Hello all you GM GURU's I have this car that has heat sometimes very hot and sometimes luke warm.I can't think of anything else to do. i don't believe there is air in system have bleed system with bleeder.
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2003 Chevrolet Impala 3.4L Body Control Module VIN: 2G1WF52E83
Have problem with security system not allowing vehicle to crank after replacing Body Control Module. I'm Replacing Body Control Module for reasons other than no cranking. Interior lights not operating properly and horn goes off sometimes in reverse. Installed ...
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2006 Chevrolet Trailblazer LS 4.2L mode door acuator VIN: 1GNDT13S95
First of all thanks to all. I have 06 trailblazer with a simple mode not woking. Albe to scan Pids and door not moving. Tried accuator relearn by disconncting bat and touching cables then starting up and let sweep no change. Accuator froze no problem. Installe...
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1994 GMC Jimmy 4.3L rear defrost VIN: 1GKDT13W1R
Can someone please help. I am working on a goodwill problem and it is kicking my butt. This unit has what i would call an after market/ addon rear defogg kit. Alldata claims the switch is suppose to be on the upper left hand part of the dash -- where the 4x4 s...
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1995 GMC Jimmy 4.3L No Start, Cuts out VIN: 1GKCS13W2S
having issue with this jimmy. originally came in about a year ago . found injestion system to be defective. replaced spyder system and fixed problem. now im on the foutrth one. didnt want to repalce it again. wanted to know if their is a reocurring problum or ...
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1996 GMC K1500 Sierra SLT 5.7L No Start VIN: 1GTEK19RXT
This truck came in with an initial complaint of "died while driving". We let it run for a good 30 min with no duplication. We did this on and off for a couple of days and eventually it started acting up. I would shut the truck off and try to restart it and int...
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1994 Oldsmobile Cutlass Ciera 3.1L Mechanical VIN: 1G2WJ52M2R
Posting this help request for another shop. Car was brought in for a blown headgasket. Heads were removed, taken to machine shop complete valve job done etc. Engine was re-assembled now has valve noise that did not have before. Sounds like it has solid lifters...
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1999 Oldsmobile Intrigue GL 3.5L Cooling Systems VIN: 1G3WH52H1X
system continues to get air in cooling system. passed engine block test and have bled the system several different ways. heater hoses get hot and pulsate as well as the upper radiator hose, loweer radiator hose stays cold. possible plugged radiator?
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1986 Pontiac Fiero SE 2.5L Rear Brakes VIN: 1G2PE37R7G
I'm pulling my hair out. This is a simple no ABS 4 disc system. If I pull up the e brake and then hit the brake pedal it stays high and solid. Take the e brake off and the pedal goes low yet still remains solid. I performed the TSB to take up additional play b...
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1995 Pontiac Grand Prix GTP 3.4L passkey VIN: 1G2WJ12M9S
This vehicle was towed in with the steering column damaged from an attempted auto theft. The customer had purchased a used complete steering column with keys from the local junk yard. We have installed the used steering column in the vehicle and the vehicle wo...
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Regal Gran Sport 3.8L No Start VIN: 2G4WF52L45
The ignition module turned out to be the problem on this vehicle, replaced, and the engine started and ran perfect.This vehicle sat for about a year before customer decided to get repaired and when I received vehicle the engine was locked up. Upon removing and...
44
2000 Buick Regal GS 3.8L Excessive Emissions VIN: 2G4WF5514Y
First of all I have to thank all the replies, specially I have to thank Paul [...] , he was right. We remove the supercharger and the lower intake for inspection , we found broken lower intake manifuld gaskets , since we were there we remove the injectors an...
10
2000 Cadillac DeVille 4.6L tcc VIN: 1G6KF5791Y
i am sorry for such a late reply, but the customer was debating on fixing this vehicle. the information most of the replies sent said i would have to tear apart the entire transmission to replace some internal components to properly repair this vehicle. when...
23
2003 Cadillac CTS 3.2L oil cooler VIN: 1G6DM57N33
thanks for all the help, it was a bad cooler, not too bad a job except for the cooler lines themselves, almost impossible to loosen the other end above the oil filter assembly...
7
1995 Chevrolet Tahoe 5.7L Lighting VIN: 1GNEK13K25
thanks for all the help found bad ground at the t stat cover and bad switch and the brake controller was make in it not shout off
10
1996 Chevrolet Monte Carlo LS 3.1L No Start, Stall VIN: 2G1WW12M8T
Replaced map sensor and ecm vehicle operates normal Trouble codes: P0101 (maf).
12
1998 Chevrolet Express 3500 5.7L Misfire VIN: 1GBJG31R8W
THANK YOU FOR ALL YOUR HELP. WE DID FIX THE VEHICLE THE TRUCK HAD A TOTAL OF FOUR INJECTOER PLUGGED, WE WHERE ABLE TO FIND THIS BY RUNNING A INJECTOR BALANCE TEST WITH A FUEL GAUGE ATTACHED AND THE VEHICLE NOT RUNNING AND WHACHING THE GAUGE DROP WHEN THE INJ... Trouble codes: P0300.
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1999 Chevrolet Camaro Z28 5.7L Poor Fuel Economy VIN: 2G1FP22G5X
vehicle taken by customer found 43# injectors in vehicle customer took vehicle to have ecm program checked and possible reflash then hopefully to return for wrap up thank you to everyone for your help
22
2000 Chevrolet Silverado 1500 4.3L Shift indicator VIN: 1GCEK14W2Y
Thanks for your help. I have found open circuit in one of the wires at the range sensor connector. Repaired the wire and everything is working fine.
5
2006 Chevrolet Uplander 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDV23L86
well this one was just about to get pulled apart then decided to try intake & fuel system cleaners. GM has a new # for intake cleaning & this stuff is nasty! sparyed into intake until engine stalled then let sit for 20mins. started up & tried out - misfire gon... Trouble codes: P0300 (random misfire detected).
9
1999 GMC Sierra 2500 SL 6.0L Poor Idle Quality, Stall VIN: 1GTFC29U4X
thank you for all the replies. the customer took the truck and has not returned for me to try and trace the problem down. if he does i will now have a direction to go. thanks again for the help.
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