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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 5, 2014
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Open Help Requests for GM
Help Request Answers
2010 Chevrolet Cobalt LT 2.2L MIL Lamp on VIN: 1G1AF5F52A
tested wiring check ok even tried relocting sensor Trouble codes: P0327
1993 GMC C6000 Topkick C6H042 6.0L Parking brake VIN: 1GDE6H1P4P
I have a 1993 GMC Topkick that is part of our fleet. The parking brake engaged at a red light leaving the driver stranded. It has the electric/hydraulic setup which sucks. He stated that smoke came from the column near the shifter, I found the actuator puking ...
2002 GMC Yukon XL 1500 SLE 5.3L Misfire, MIL Lamp on VIN: 1GKFK16T52
All tune up parts including fuel filter look new and in good condition. It only has misfire on multiple cylinders on fist startup of the day, runs good after warms up. On cold start the short term trims on both cylinders was about 30. After it warms up the sho... Trouble codes: P0300, P0171, P0174
1997 Saturn SL2 1.9L Driveability VIN: 1G8ZK5275V
Thanks in advance for any insight. This car is coming to me from another shop. I have been told that it locks up after driving about 100 yards, before it does however every gear works fine to include reverse. When it is "locked up" there is no reverse just 1 f...

Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Park Avenue 3.8L blower motor VIN: 1G4CW52K7T
Thank for the info. Blower was pulling 4amps did not check start up but think could have been the promblem. Decided to replace on many of you all advice. Knowledge and experience should not be ignored. Thank for super help!
2002 Chevrolet Venture LS 3.4L No Start VIN: 1GNDX03E72
Well first and foremost thank you for all the suggestions and information. It started out with no cranking rpms on my scan tool so I installed both crank sensors to still have a no start. Afterwards I just completely bypassed my train of thought that the crank...
2005 Chevrolet Trailblazer LS 4.2L Unknown VIN: 1GNDS13S65
hey guys first let me start by saying thanks to all who offered help with this problem , I have fixed this one and it turned out to be a ground problem the trailer tow package ground and fuel pump ground are shared found that connection was corroded cleaned it...
2006 Hummer H3 3.5L Transmission/Transfercase VIN: 5GTDN13696
First off thanks to you who replied and offered help. Jerry, Kenneth, and Glenn all felt this was a transmission issue, we didn't feel the problem was there with the symptoms we had. Dave suggested a new transfer case motor, that was part of the replacement Tr...
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