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Prev Professional Automotive Repair Technical Discussions for July 19, 2010
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Open Help Requests for GM
Help Request Answers
1998 Buick LeSabre Custom 3.8L Alignment VIN: 00WH451071
hello group and thank you in advanced for even reading this got this 1998 buick came in the steering wheel was 45 degrees right while drivingbrought it in performed alignment with our hunter machine never had problem like this i go to test drive after the whee...
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2000 Buick LeSabre Custom 3.8L front power windows VIN: 1G4HP54K5Y
hey guys needing some expert help again lol. got this lesabre custom with both front power windows inop. switches are functioning and can see switch inputs on tech ii. unplugged connector at window motors and found twelve volts in both directions. unknown whet...
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1996 Cadillac Seville SLS 4.6L Air Output VIN: 1G6K52Y5TU
A/C system has been serviced and was only a couple of ounces low on freon. System will intermittently stop blowing cold air and only seems to happen in high humidity conditions. Compressor main relay has been replaced.
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2003 Cadillac DeVille 4.6L LR wheel speed sensor VIN: 1G6KD54Y03
Ok so here we go, first I want to say that I found a case that was very similuar to mine but I just want to get a general opinion about what has happened and where I am at right now. intially when the vehicle came in with a LR wheel speed sensor open or short,...
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1987 Chevrolet S10 Blazer 2.8L coolant VIN: 1GNCT18R4H
We have oil getting into the coolant. And no coolant in the oil. We had the heads checked at a machine shop. No cracks were found. The old head gaskets looked good. After giving vehicle back to customer, everything was fine for about 2-3 weeks. Now it is back ...
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1987 Chevrolet El Camino 5.0L No Start, Misfire, no spark VIN: 3GCCW80H4H
I got the vehicle for a head job , completed the work . it ran for 3 hrs or so with a misfire . now i have no spark and i cant start the engine. new coil , distributor assembly , ignition control module tried but no spark . voltage to the coil bat + , coil t...
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2000 Chevrolet Malibu 3.1L abs VIN: 1G1NE52JXY
This one is giving me a hard time. Car came in for ABS light diagnosis, I found the right front wss was open. I replaced the wheel bearing turned the key on cleared the code and put it in gear and the code returned. I then jumpered the r/f wiring to the l/f wh...
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2000 Chevrolet Tahoe LT 5.3L Misfire, MIL Lamp on VIN: 1GNEK13T3Y
Greetings fellow techs, Got one in today that driving us a little crazy. 2000 Chevrolet Tahoe 5.3 came in today with a MIL light and misfire. Customer stated that the truck just started running rough, MIL light came on (and flashed a couple times)After finding... Trouble codes: P0300
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2004 Chevrolet Trailblazer LS 4.2L Surge, random acceleration
Vehicle brougth in for a random UNWANTED acceleration problem. The vehicle will cruise at 40-50mph with foot off accelerator and idle up and down between 2200 and 3000 rpm at will! Please look at included datastream from scan tool, the app is 0 because i am of...
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2007 GMC Sierra 2500 HD Classic SLT 6.6L Safety VIN: 1GTHK23647
Iinstalled new rims on this truck ..put in new tire pressure monitors right from gm ... Went through the reset procedure as in the manual staring at left front and ending up at left rear ..upon completion of the left rear it is supposed to single beep than dou...
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1991 Pontiac Firebird Formula 5.0L Starting VIN: 1G2FS23F6M
tested starter will work and crank when jumping solenoid wire. will not crank from ignition switch , just click from under dash security light flashes making me think there could be a problem with that.I have no knowledge of these security systems and how they...
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1998 Pontiac Grand Prix GTP 3.8L No Start VIN: 1G2WP5210W
hello iatn need some help here ive got a 1998 pontiac grand prix supercharged 3.8l the problem is the number 18 injector fuse blows under acceleration intermittently. had the car for several days now and cant figure this one out. problem happens intermittently...
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2000 Pontiac Sunfire SE 2.2L tcc VIN: 1G2JB1242Y
We replaced the harness in this car ,the only difference is we have a 3 speed trans which has a 4 pin 2 wire connector for TCC . The ( used ) harness has a 20 pin connector for a 4 speed We used alldata wiring diagram hoping we could make this harness work.Dis...
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2000 Pontiac Bonneville SE 3.8L security system VIN: 1G2HX54K6Y
This car has two symptoms that, I believe, are related to the security system. First the engine won't crank unless I hesitate in the run position for a second. If I try to start normally it won't crank and code p1626 sets. Second when the code sets where is a ...
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet S10 4.3L Blend door VIN: 1GNDT13W1S
Thanks guys the customer was told dash must come out.One person said go behind glove box .Not a option the back of the box is the dash.The cover only comes off.He will bring it back next week when he has some time and one of my guys is back from vacation.seems...
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2000 Chevrolet Express 2500 LS 5.7L No Start VIN: 1GCGG25R94
Hi every body again and thanks a lot for your help and your time. This van is fixed. Somebody in the past, had installed a different ign. switch whose harness didn't match the under dash harness; but they bypassed some wires and I think that was the way the ve...
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2002 Chevrolet Trailblazer LS 4.2L LR Brake VIN: IGNDT13S62
Back from a long vacation and it's time to close the help request. The truck isn't fixed at this point, we suspect it's the EBCM that is causing the problem but have not done anything else to try to fix it at this time. My friend has been very busy with anothe...
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1990 GMC G2500 Vandura 5.7L No Start VIN: 2GDEG25K5L
I really thank everyone every body led me in the right direction.I ended up running a 12 volt wire to B1 connection on ecm. van runs great now as to why I was not getting 12v their it must something wrong in the fuse panel.thanks again I did need the help
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1998 GMC Savana 2500 4.3L No Start VIN: 1GCFG25W4W
thanks to everyone that responded. i believe the problem is the injectors, my my friend has decided not to spend anymore more on it and will keep it as a parts truck for the rest of his rental fleet. in my spare time i my just go ahead and remove the injecto...
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2000 GMC Safari SLE 4.3L inadvertent power relay VIN: 1GKEL19W3Y
The draw was from an aftermarket dvd player. They wired it in the overhead console power supply. The unit itself is faulty. Too bad these so called experts can't wire things in properly so as not to have power with the key off! Thanks for the help
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2001 Pontiac Montana 3.4L Locked VIN: 1GMDU03E11
Some of the replies said to hold 2 buttons for the 1st. 3 digets and am/fm for the next 3. I tried this first thing after it locked as I am familiar with the old type and no response. What I was looking for was a way around the dealer, but as many replied a Te...
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