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Professional Automotive Repair Technical Discussions for August 5, 2026 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
| Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder. | ||
Open Help Requests for GM
| Help Request | Answers | |
| 2007 Chevrolet Express 1500 LS 5.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1GCFG15ZX7 This van came in burning coolant so we installed a used engine from our usual supplier. After the engine was swapped we had a really rough idle with low engine vacuum . Vac gauge was fluctuating like a vale issue would do. We replaced the engine again and ... |
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| 2009 GMC Savana 1500 5.3L Oil Pressure VIN: 1GDFH15449 Van came into the shop with a complaint of no oil pressure when first started. I installed a mechanical gauge in place of the sending unit and verified no oil pressure when first started. The oil level was good. It takes 12 to 15 seconds to get oil pressur... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 GMC G3500 Rally 5.7L Rear drums VIN: 1GJGG39K5R THANKS FOR ALL THE INPUT, I ENDED UP REPLACING THE SHOES AND DRUMS AGAIN UNDER WARRANTY DUE TO UNEVENLY GLUED LININGS ON THE SHOES (GOOD CALL SHERMAN), THEN TAKING MY SWEET TIMING TRYING TO ADJUST THEM PERFECTLY AND GET A GOOD PEDAL. BASICALLY WENT THROUGH EA... |
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