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Prev Professional Automotive Repair Technical Discussions for January 29, 2006
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Open Help Requests for GM
Help Request Answers
1995 Buick Skylark Custom 3.1L Cooling Systems VIN: 1G4NV55MXS
Customer brought this car in after changing the thermostat and said it was getting hot. I asked why he changed the thermostat he said because it was getting hot and he thought the thermostat was sticking. I checked it and it acted like it had an air pocket in ...
1998 Cadillac DeVille 4.6L will not start VIN: 1G6KD54Y7W
starter was drawing 698 a before replacement and after only 142 a. now it is back up to 379 a the alternator tested good and the battery is good. the right rear window is not working ??? cables were good. the car can be jumped off and started, taken a mile dow...
1992 Chevrolet S10 Blazer Sport 4.3L 4wd VIN: 1GNDT13W8N
as you drive down the road the 4wd hi button on dash starts to blinks then stays on goes into 4wd sometimes if you push the button lite goes out and most of time it stays on for a while 4wd button on dash was changed and 4wd module on ecm was also changed we u...
2000 Chevrolet C3500 7.4L Poor Fuel Economy VIN: 1GBKC34J1Y
vortec 454 engine have replace the fuel injectors 3 times already , because of fuel leak down. after shut down the injector will seap gas out and cause extended crank and long start up. has anyone have the same problem? Second set came from NAPA the third set ...
1992 GMC K3500 Sierra 5.7L down shifting to 3-1 only on decel VIN: 2GDHK39KXN
Hello hoppfully some one can help. My sevice writers truck has issues. This is what i know. If you start off at a dead stop it shifts up through the gears properly even on hard acceleration. Whatching the scanner and I also had a vantage hooked to the two shif...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Buick Skylark Limited 2.3L MIL Lamp on VIN: 1G4ND54D0K
This car left with out the CEL on and she drove it around for maybe two weeks before the CEL came back on. It had only the (26 quad driver module) code in it, when I rechecked it. I followed a trouble tree for code 26, from all data and it lead me to the secon... Trouble codes: 41 (No ignition 1X Reference Pulses), 26 (Quad Driver Module failure).
2002 Chevrolet Impala 3.4L cooling fans VIN: 2G1WF55E32
Thanks to everyone that responded. I think we all went in the wrong direction. The vehicle was sent to another shop and i did stay in contact with that shop. They replced the VCM twice also from advice from a hotline they were in contact with still not fixing ...
2002 Pontiac Aztek 3.4L oil cunsumption VIN: 3G7DB03E32
First of all i would like to thank everyone for thier input in and info. it turns out to be the the intake gaskets were seeping oil and mixing with the coolant. i should have checked the coolant condition but i over looked it. so i changed out the intake gaske...
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