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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 25, 2024
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Open Help Requests for GM
Help Request Answers
2016 GMC Sierra 1500 SLE 5.3L Oil flow VIN: 3GTU2MEC3G
Customer complaint is lifter noise. When dropped of evening before appointment exhaust tick was evident. Upon start up in am louder exhaust tick heard. drove in shop performed visual inspection. Upon re-start loud lifter tick/clang/knock, not exhaust tick....

Fixes & Summaries for GM
Fix/Summary Answers
2008 GMC Envoy SLE 4.2L Cuts out, Stall VIN: 1GKDT13S78
Thanks for all the very helpful replies. Yes, a new PCM did fix this vehicle, and now a happy customer. In my position this was a great training vehicle for my technicians. I showed them how your diagnosis can change when using one tool versus another. A lab s...
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