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Professional Automotive Repair Technical Discussions for September 26, 2019 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2017 Cadillac XTS Luxury 3.6L Hesitation, Surge, Stall, Misfire VIN: 2G61M5S35H Car towed in after 3 days at another repair shop. Dead battery. Charge battery and try to start. Car stumbles stalls , backfire , misfires .. After numerous attemps and using carb spray got it running at 1500 rpm.numerous codes - all from previous shop not... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2) |
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| 2008 Chevrolet Silverado 1500 WT 5.3L 1-2 shift VIN: 3GCEC13J38 Attention GM and Transmission guys. I have a 2008 Silverado here at my shop customer dropped off and his complaint was harsh and delayed engagement from park to drive and that when driving it felt like it shifter hard. On my test drive I did notice and ver... |
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| 2010 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNLVFED5A This vehicle came in with a mil lamp on and codes p0008, p0016 and p0017, all cam timing codes for bank one. Inspected the timing chains and found excessive slack. I ordered cam tools and all parts from the dealership. Replaced chains, guides, tensioners a... Trouble codes: P0008, P0017, P0016 |
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| 2014 Chevrolet Impala LT 3.6L Comressorno Radiator Fan Operation VIN: 2G1125S31E Some times the fans don't come on when the AC is on therefore pressures go high and freon is released thru pop off valve. Scan tool shows AC request yes, fans 1&2 no at times, then there are times fans 1&2 request is yes and the fans run on low speed, this... |
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| 2001 GMC Savana 2500 5.7L No Start VIN: 1GKGG25R41 The vehicle was towed in with a intermittent no start condition. The customer has had it to the dealership previously and the dealership has installed 3 fuel pumps and a fuel pump relay. Customer is still having no start issues, so had the vehicle towed to... |
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| 2007 GMC Sierra 1500 WT 5.3L Mechanical VIN: 2GTEK13M97 I need some help diagnosing a rattle on my own truck. 254k miles but it's in excellent condition. It has a rattle that sounds exactly like a timing chain noise but it comes and goes, and it's not there at idle. What's strange is, the only time I hear it wh... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 AM General Hummer 6.5L injection pump VIN: 137ZA8433V Ok we just got this thing wrapped up and back on the road. I forgot how much fun the marine 6.5 is to work on...spinning the upper crossover on the turbo definitely helps. Again thanks guys for all the help, Hope all is well! |
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| 2001 Chevrolet Silverado 2500 HD 8.1L fuses VIN: 1GCHC29G21 thanks for all the help. po128 was bad thermostate,po410 was bad vacuum hose , customer declined ignition switch going to live with it. |
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| 2003 Chevrolet Suburban 1500 LS 5.3L Vibration VIN: 3GNFK16ZX3 Thank you for all the help. It was indeed the drive shaft. |
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