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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 6, 2010
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Open Help Requests for GM
Help Request Answers
1986 Chevrolet C70 C7D042 6.0L Unknown VIN: 1GDG7D1B4G
Okay, I'm trying to settle an argument with a couple guys at work here, so if someone can chime in (with photos even better). I understand that the Chevy 366/427 medium duty truck engines have a taller block deck height (10.2) and four ring pistons as opposed ...
1995 Chevrolet K3500 Silverado 6.5L Unknown VIN: 1GTHK39F5S
This truck has a 4l80E trans. It keeps setting a trans code# 87 ( High ratio error). If you clear it and test drive it for a few miles you can feel it start to surge and the rpms will go up and down like it is dropping in and out of tcc lock up. If you push a ...
2002 Chevrolet Silverado 1500 4.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Welcome to my nightmare! second time this truck is back! came in with engine light on (p0300) misfire and low power. first time replaced fuel pump and filter cause it would not hold fuel pressure. we just replace the intake gaskets still no fix. tried differen... Trouble codes: 300 (random misfire)
2004 Chevrolet Aveo 1.6L Starter VIN: 1J2R345667
I have a 2004 Chevy Aveo. The customer brought it in and told me that the starter only whines when he turns the key. He said that when he hits the starter with a hammer it would start. It seems like the starter is not engaging with the flywheel. I replaced the...

Fixes & Summaries for GM
Fix/Summary Answers
2002 GMC Yukon XL 1500 SLT 5.3L 2-1 Down Shift VIN: 1GKEC16Z42
I checked everything over well...1-2 valve worked smooth in the valve body bore and a new shift solenoid didn't help the problem. The plate had only very minor wear in the check ball area. We decided to replace the transmission with a rebuilt unit. It worked w...
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