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Prev Professional Automotive Repair Technical Discussions for July 12, 2018
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2004 GMC C7500 Topkick C7C042 7.8L No Start VIN: 1GDJ7C1354
First I'll admit I'm over my head. Small fleet of "( until lately) gas powered medium trucks, and i'm not a diesel guy Got the gauge and found it would pull 12" of vacuum when hand pumping, replaced both fuel filter and water separator. Now it only gets ...
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2008 GMC W4500 Forward W4S042 6.0L High side pressure high VIN: 4KDC4B1U78
This commercial truck belongs to a friend's brother. My friend replaced the A/C compessor, Condensor, & dryer. He recharged by gauges. On freeway driving, the AC stops getting cold. The truck was sent to me. I evacuated the freon. My machine pulled out onl...
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Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet C3500 7.4L Shifting VIN: 1GBKC34J1X
Replacing the rear planet carrier with the excitor ring fixed this one. Carrier without excitor ring is for 4 wheel drive. This was a 2 wheel drive. The part number for this is the same if it has the excitor ring or does not. That is where the mistake was made...
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