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Prev Professional Automotive Repair Technical Discussions for December 19, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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2003 Cadillac Seville STS 4.6L Axle seal VIN: 1G6KY54943
Vehicle has a 4T80-E transaxle. The left axle seal is leaking badly on this vehicle. The axle seal has been replaced 4 times and the axle has been replaced. With the axle fully installed there is vertical play, indicating the bushing is worn. I can not find a ...
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2002 Chevrolet Trailblazer LS 4.2L Mode controls VIN: 1GNDT13S32
Have this trailblazer here with dual auto hvac that wont put heat on the floor. There are no DTC's and the temp sensors data looks good. Defrost actuator counts stay high and won't move when commanded. The published info from alldata leads to another HVAC c...
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2004 GMC Envoy SLT 4.2L Engine VIN: 1GKES16S54
I'm at my wits end with this Envoy. After reinstalling cylinder head I have developed a misfire on cylinder #5. Upon startup, no misfire is evident. As it warms, I can observe the misfires start to rack up on scan tool. The warmer the engine becomes, the faste...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Park Avenue 3.8L Misfire VIN: 1G4CW54K92
THE CUSTOMER JUST CAME TO PICK UP THE VEHICLE. I KINDA KNOW IT BACK FIRE TO THE IGNITION CONTROL MODULE CAUSING IT TO GO BAD BUT JUST WANT TO MAKE SURE. I REPLACE THE IGNITION CONTROL MODULE AND IT TOOK CARE OF THE PROBLEM. THANKS AGAIN TO EVERYONE. Trouble codes: P0300.
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2010 Chevrolet Silverado 1500 WT 4.8L airbag light VIN: 3GCRCPEAXA
Robert from Pennsylvania was right sensor A is part of pass presence system under/in r/f seat, armed with this info. i found no power to the passenger presence module.traced to open wire at harness on driver side rocker panel. also found it should have se... Trouble codes: U0170.
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2003 GMC Envoy SLE 4.2L MIL Lamp on
Thanks for all the replies...several suggested crank end play...balancer washer and chain problems...others suggested CKP correlation relearn ( not something my scanner can do)...wiring and ecm were also mentioned... I did not go any further with the job...th... Trouble codes: P1345.
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