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Prev Professional Automotive Repair Technical Discussions for December 7, 2013
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Open Help Requests for GM
Help Request Answers
2002 Buick Rendezvous CX 3.4L engine VIN: 3G5DB03E62
This car will overheat according to the gauge. It doesn't boil over but the gauge will peg to hot and the engine will cut off. We have gone for over 2 weeks and nothing will happen and then all of a sudden it will happen. The customer leaves his work and withi...
1994 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22P9R
At a loss at this point and our problem seems simple enough- No spark. Long story short is our ignition control module will not ground coil on and off to produce spark. The mystery to us is that all our tests indicate we should be getting spark. We have tested...
2005 Chevrolet Silverado 3500 6.0L Mechanical VIN: 1GBJC39U75
Hyrdo-Boost Brake system. While driving in town appears to be okay, but on the freeway upon exiting as the brake pedal is push down, the pedal jumps back up a little. Also, while the brakes are apply to a complete stop, a jerking feeling from the bake pedal is...
2007 Chevrolet Silverado 2500 HD LTZ 6.6L left side VIN: 1GCHK29647
this truck has dual zone heat, the right side works normally, left side mode functions all work but blows cold air(it was -33 f here last night). I removed the actuator and moved the left temp door manually it does change temp but left is still cool, not near...
2010 Chevrolet Silverado 1500 LT 5.3L Oil Mpressure VIN: 3GCRCSE08A
this vehicle was brought in by customer with oil pressure light on and codes for it. he said the oil was fine and good and he was told it just needed a new switch. we looked it up and to replace switch intake manifold must be removed. w took connector off and ...

Fixes & Summaries for GM
Fix/Summary Answers
2008 Chevrolet Express 3500 6.0L brake module VIN: 1GBJG31K48
now i got it. thanks for the help. you nailed it. stupid ground. I originally checked the ground without a load with the notion that any wire this big cannot possibly cause a ground problem. WRONG. Always check a ground under a load stupid. wont you ever lear...
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