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Prev Professional Automotive Repair Technical Discussions for May 3, 2010
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Open Help Requests for GM
Help Request Answers
2000 Buick LeSabre Limited 3.8L Battery VIN: 1G4HR54K4Y
I have this Buick that the battery gose dead intermitantly after sitting for 3-4 days, the car is hardly driven, after doing a draw test on the battery, I have no draw untel I open and close the trunk litely then I have a draw of .61amps if I close it firmly t...
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2000 Cadillac Escalade 5.7L brake pedal VIN: 1GYEK63R3Y
Hi Techs This owner has had this vehicle for many years. It came to me the first time for a low brake pedal, travels to the foor. I performed brake inspection, found rear wheel cylinders orignal & showing some leakage, but not enought to leak out of the drum ...
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1998 Chevrolet C2500 Suburban 6.5L Mechanical VIN: 1GNGK26F8W
Truck towing in won't start, Ck out, no fuel in fuel filter housing, replace lift pump & fuel pump up filter housing fine,bled air out of system, sometimes runs about 5 second and dies, six months ago we replace solenoid driver & lift pump. I know for sure we ...
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2005 Chevrolet Malibu Maxx LS 3.5L Brake Lights VIN: 1G1ZT64825
The vehicle came to us with the brake lights staying on when key is on. We checked brake light switch, wiring, and checked for codes (no codes present) after playing with the switch we decided to replace it, sinse we were able to get the lights to go off after...
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2005 Chevrolet Silverado 1500 5.3L Intermittent comm. VIN: 1GCEK19Z35
This vehicle came in about a week ago with a communication problem. Customer needs to get state inspection sticker and they said there was no communication with the vehicle. I hooked up our Tech 2 and had no problems at all. Data came through just fine on all ... Trouble codes: U1000 (U1016- Loss of PCM communication), U1016 (Loss of PCM communication), U1064 (Loss of BCM communication), U1152 (Loss of HVAC comm.), U1160 (Loss of DDM comm), U1305 (Class 2 Data link low or high)
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2005 Chevrolet Silverado 2500 HD LS 6.6L abs module VIN: 1GCHK23205
the truck came in with unwanted abs activation at time mostly at slow speeds around 5 mph I moniter the sensors and the left front was reading slower than the others I found tsb 03-05-270oo7d I cleaned the sensors and mounting surface and road tested truck the...
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2006 Chevrolet Uplander LS 3.5L Alarm system VIN: 1GNDV23L76
Starting a week ago, alarm system(factory only in van) is randomly going off on its own.It has occurred 5 times in the middle of the night(parked in garage, key inside house)Customer shuts off either by hitting panic button on remote, or eventually alarm goes ...
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2003 GMC Yukon SLE 4.8L Refrigerant Low Pressure Side Port VIN: 1GKEC13V43
Hello fellow techs.out there,need help locating low pressure side port for this vehicle.
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1995 Pontiac Grand Prix GTP 3.4L power steering VIN: 1G2WJ12X8S
Need advise on this nightmare. Customer replaced his own transmission. He then continued to have power steering leaks and pumps going bad. We found pinched return line from doing the trans. Replaced rack (not one of the fun ones to replace) and replaced line. ...
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1997 Pontiac Firebird Trans Am 5.7L Headlight Doors VIN: 2G2FV22P2V
Hello fellow firebird techs, this one is driving me crazy, the car came in for the front headlights making a clicking noise when trying to close, if you manually close the doors by hand they will raise with no problem. Checked the module with headlight bulb, h...
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Fixes & Summaries for GM
Fix/Summary Answers
1994 Buick Park Avenue 3.8L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1G4CW52LXR
Thanks to all who replied. An AC Delco ECM fixed it. Rich in AZ. Trouble codes: P0341.
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1990 Chevrolet K1500 Scottsdale 4.3L Excessive Emissions, Surge, Poor Fuel Economy VIN: 1GCDK14ZLE
Fixed it. Rob from BC and Jason from Montana were the winners with their suggestions regarding the distributor. I never did scope the pickup coil but had put my lab scope on one of the injectors [easier to watch] and found that when this thing was acting up th... Trouble codes: 45 (Rich).
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1995 Chevrolet S10 4.3L No Start VIN: 1GNDT13W9S
I INSTALLED AN AFTER MARKET PUMP IN THIS TRUCK AFTER A WEEKS TIME IT STARTED TO DIE OUT WHEN IT GOT HOT FOUND IT TO BE A BAD PUMP INSTALLED A DELCO FUEL PUMP AND ALL IS WELL.
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1999 Chevrolet Silverado 1500 LT 5.3L Intermittant whirrin VIN: 2GCEC19T5X
Given that the fuel pump was the original, owner decided to have me replace it. It has been two weeks with an add'l 2000 miles driven and no reoccurance of the noise, so I'm going to call it a fix. Thanks for you help.
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2003 Chevrolet Impala 3.8L No Start VIN: 2G1WH52K53
Thanks all. I ended up finding a broken wire from the ignition switch to the PCM. Repaired and it was great. Thanks again.
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2004 Chevrolet Blazer LS 4.3L shift motor VIN: 1GNDT13X74
In the process of rechecking everything I noticed that the front axle was locked in all of the time. I found that the four wheel drive vacuum switch was bad so I replaced that. I don't think that had anything to do with the other problems but it needed to be a...
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2006 Chevrolet HHR LT 2.2L steering wheel VIN: 3GNDA23D76
I got it off. Thanks for the helpful replies. Knees on the back while tapping on the puller, a loud pop and it was done. Thanks again, I hate to break things I cant afford. :)
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1997 GMC K1500 Sierra SLT 5.7L MIL Lamp on VIN: 2GTEC19R9V
thanks every one.when i accually found the timing pointer on the timing cover and indexed the dist.the light shut off on it's own.thanks again scott
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2005 GMC Savana 1500 4.3L No Start VIN: 1GTFG15X95
THANKS TO ALL WHO REPLIED.THE FUEL PUMP WAS DRAWING 16 AMPS.HOW A 15 AMP FUSE WAS LASTING WAS BEYOND ME.REPLACED THE FUEL PUMP,CLEARED CODES,AND DROVE 200 MILES WITHOUT A PROBLEM.THANKS AGAIN TO ALL. CHRIS Trouble codes: P0200.
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2006 GMC Envoy SLE 4.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GKET16S46
First of all I want to say thanks to all involved, The majority of replies pointed me to a bulletin describing a problem with valve sticking. I ran the vehicle the night before as a prep for the cold start the next day, I then did a compression and leakdown te... Trouble codes: P0172 (Lean bank 1), P0300 (Random misfire).
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2001 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NF12T91
Thanks for all that sent good responses. All responses were helpfull. I finally went on experience. Even though my compression check showed good in all cylinders, the vehicle acted like retarted timing. We took the timing cover off and found a jumped chain. I ...
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