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Professional Automotive Repair Technical Discussions for July 28, 2022 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Cadillac DeVille 4.9L Security system VIN: 1G6CD13B6P Have this Caddy that came in as a no start no crank. I found broken wires to the ignition tumbler that reads the resistor pellet. Replaced it with OEM part. No security codes but still no start no crank. If I power up the starter solenoid purple wire direc... |
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| 2003 Chevrolet Express 1500 LS 5.3L Mechanical VIN: 1GBFG15T13 So then I sucked down the Freon and pulled 3 pounds 1 once out of it . It’s a conversion van regency. High side was 160 low side 58 so went though system check the orfice filter very little debree so flushed system again pull the back ac expansion valve ap... |
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| 2004 Chevrolet Astro 4.3L Poor Idle Quality, MIL Lamp on VIN: 1GNEL19X64 Customer came in about a week ago with a high idle concern. Test drove it and it was right around 850-900 vs the 675 that the computer was asking for. We checked for intake leaks and found nothing. Swapped out the IAC motor with a Standard brand IAC and... Trouble codes: P0507 (Idle Control too high) |
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| 2008 Chevrolet Silverado 1500 WT 5.3L Poor Idle Quality, Surge, VIN: 2GCEC13J88 Short story. Back yard repair company.. vehicle does not run !! Trans rebuilt 3 time = still doesn't work .. Engine replace and all parts hung on aftermarket.. Ok Found bad battery , 3 chaffed wires , The following are all aftermarket = are correct numbers... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2019 Chevrolet Trax LT 1.4L compressor VIN: 3GNCJLSB6K i am happy to report that this repair is in the books.it has nice cold air again.problem was the collision shop that reassembled the vehicle overlooked connecting the harness for the ambient air temperature inside the left front fender.after joining the connec... |
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| 2016 GMC Yukon XL Denali 6.2L suspension system VIN: 1GKS1HKJ0G Did the Arnott conversion on all 4 wheels.It came with an electronic box that spliced 4 wires into the BCM. It worked just fine and no warning message on the dash. Was not too bad of a job. |
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| 2018 GMC Yukon Denali 6.2L #1 lifters VIN: 1GKS1CKJ3J This engine is still a work in progress. After pulling the VLOM I found a bad cam lobe on #7 and a rough lifter roller on #5. The odd thing is that the lifter on the bad lobe looked good and no noise from #7. I think someone has been here before, threw a lifte... |
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