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Professional Automotive Repair Technical Discussions for February 6, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Chevrolet Tahoe LS 5.3L Driveline VIN: 1GNEK13Z24 Hello fellow techs, this Tahoe makes a rotational noise from driveline at 40mph (to about 43mph) only with TCC engaged in 2wd (most prevalent on slight pull). Sounds kind of like a noisy pinion bearing or wheel bearing. With a stethoscope to floor it is loudes... |
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| 2011 Chevrolet Silverado 1500 LS 4.8L engine light VIN: 3GCPCPEA8B Vehicle came in hesitating and misfiring. We replaced plugs, wires and 1 coil(cyl 4). We used delco plugs and wires and ordered a coil from GM. The truck now drives perfectly, but continues to set a P0300. While watching misfire counters cyl 4 continues to sho... Trouble codes: P0300 (multiple cyl misfire), P0304 (cyl 4 misfire) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet S10 4.3L Excessive Emissions, Surge VIN: 1GCCS14Z9R I want to say THANK YOU TO every one that took the time to read my help request and shared a really good information. this truck finally is out my hands, there were multiple issue. bad fuel injectors, bad throttle gasket. replaced them made better situation... |
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| 2007 Chevrolet Uplander LS 3.9L Surge, racing idle speed VIN: 1GNDU23137 Thanks for all that replied. Timothy mentioned that 06 & 07 did not have an automatic idle relearn even though the Snap-on Modis tool shows one. I do want to mention that the Modis also said idle was learned when the procedure was finished. It seems that when ... Trouble codes: P0507 (high Idle Speed). |
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| 2012 Chevrolet Sonic LS 1.8L LF Sensor/Bearing VIN: 1G1JB5SH7C After spending a little more time on it the wheel speed sensor reading went away. Swapped sensors from side to side and still no reading at module. Checked continuity from harness to module and it was ok. Took it to gm dealer for abs module replacement and ... |
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| 2012 Chevrolet Tahoe LS 5.3L Brake Pedal VIN: 1GNLC2E02C I want to thank everyone for their reply's. Every one of them was considered. This truck is fixed and I feel very embarrassed that I did not check the one thing I should have before asking for help. I pulled the master cyl back and looked down in the booste... |
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| 2009 GMC Canyon WT 3.7L alternator VIN: 1GTDT19E79 I apologize to everybody the customer has scheduled and cancelled two times. I was hoping they would come back in for further diagnosis. But have not.If they do I will post something thank you . |
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