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Prev Professional Automotive Repair Technical Discussions for June 16, 2007
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Open Help Requests for GM
Help Request Answers
1977 Chevrolet Corvette 5.7L speedometer VIN: 1Z37L7S424
Hey guys I have a 77 corvette in my shop, it has factory air. The speedometer cable is broken and it is almost imposible to replace it easily. Im hoping someone has been there and done that. My question is, is it easiest serviced by pulling the guages out and ...
1997 Chevrolet K1500 Cheyenne 5.7L Hesitation, VIN: 2GCEK19R4V
i was given this job today, and i was hoping someone on this site might have a good heads up for me as to where to start... customer says at accel. if you punch the gas it will stumble and almost die, idle is great, at cruising speeds once in a while seems lik...
2001 Chevrolet Silverado 1500 4.8L Gear ratio VIN: 2GCEC19V01
Hello and thank you to all in advance. We just completed an overhaul of the differntial in this truck and the customer asked for steeper gears to help in pulling his camper and farm wagons. We installed a new set of 4.11 gears and now need to reset the PCM ...
2003 Chevrolet Impala 3.4L frt rotors VIN: 2G1WF52E83
Should I consider performance slotted and drilled rotors and a softer pad?

Fixes & Summaries for GM
Fix/Summary Answers
1992 Cadillac Eldorado 4.9L hvac VIN: 1G6EL13B7N
Sent digital dash assembly out to be checked and repaired repaired unit now check engine light does not come on, SRS light does not come on and heater controls work properly now.
1997 GMC Safari 4.3L rear hatch VIN: 1GDDM19W9V
thanks to everone who replied and Jesus for the diagram it helped a lot never really seen one these before but i know how they work it turns out the module got water i it and shorted out.
2003 GMC Sierra 1500 HD SLE 6.0L Misfire VIN: 1GTGK13U03
Thank you for all the information. I had already checked fuel pressure.It was just above minimum spec, Could still be a problem though. Checked the PCM and coil grounds and found no fault. Customer has decided to take his van and go to the cottage for 5 weeks ... Trouble codes: P0300.
1997 Pontiac Firebird Formula 5.7L destroys ignition VIN: 2G2FV32P6V
O.K. This one is fixed and gone !!! Thank you all who responded and assisted with getting us on the right track, After reading replies and looking at all the suggestions that ranged from checking the cam dowel length and other mechanical issues, down to che...
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