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Professional Automotive Repair Technical Discussions for March 16, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Cadillac DeVille 4.6L Cooling system VIN: 1G6KD54Y7Y Vehicle has overheating issues. I have heard about headgasket issues, but still have questions about other symptoms that are occurring along with the overheat issue. (1) the engine reaches 240 degrees-the cooling fans are coming on.(2) the heater produces no h... |
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| 2007 Chevrolet Cobalt LT 2.2L Unknown VIN: 1G1AL55F37 Dose anyone have any ideas on why an 07 Cobalt LT would over heat at idle only. The water pump thermostat head gaskets and timing chains have all just been replaced as well as being back flushed and flushed multiple times. I'm at a loss. |
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| 2008 Chevrolet Impala LS 3.5L Air Bag VIN: 2G1WB58K28 Hoping someone with some GM knowledge on program with Tech 2 can help me with this nightmare. Got this vehicle in from a local body shop. The car had been wrecked. They replaced the airbags and Supplement inflation module. They just didn't have the equipment t... |
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| 2009 Chevrolet Malibu LT 2.4L No Start VIN: 1G1ZH57B89 Hi guys, I have one here that I thought would be an easy fix and it's turning into a problem child... This Malibu got towed into the shop this morning--died while driving and wouldn't restart. I found the 2 codes in the PCM listed above for the intake cam actu... Trouble codes: P0011, P0010 |
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| 2011 Chevrolet Suburban 1500 LT 5.3L a/c VIN: 1GNSCJE0ZB a/c compressor comes on when initially start eng and runs for a few minutes and pressure are normal. after a few min compressor starts short cycling and low side pressure doesn't go below 55psi. gm tsb said update software before doing anything else. updated s... |
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| 2003 GMC Sierra 2500 HD SLE 6.6L Brake System VIN: 1GTHK23103 Hello Everyone, I was wondering if someone could help us with a "Service Brake System" message. The only fault code was a c0055 rear speed sensor. Cleared fault code and message will not clear. Disconnected battery and touched terminals together and message is... |
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| 2008 GMC Acadia SLT 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKER23758 Bought vehicle at auction not running due to blown timing chains and damaged cylinder heads, we replaced both cylinder heads, all timing chains, guides and tensioners ect. was very hard to start and when it did it ran poorly at idle. keeps setting the 2 codes ... Trouble codes: P0019, P0346 |
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| 2010 GMC Acadia SLE 3.6L Misfire VIN: 1GKLRLED3A Hey out there, This car has been giving me a run for my money. There is a dead misfire on Cyl 4 and Cyl 6. I have a few questions, First would the fuel pressure being down 15psi cause 2 cylinders to misfire? Second has anyone seen the high pressure pump fail (... Trouble codes: P0300 (p0304-), P0304 (p0306-), P0306 (testing and results) |
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| 2013 GMC Sierra 3500 HD SLT 6.6L MIL Lamp on VIN: 1GT424C80D I pulled the def tank down just to make sure somehow they did not pinch a wire , nothing found put it back up. The sensor is getting 5v feed to it, these trucks always seem to have a way of biting back, just wondering what other people have done, I'm planning ... Trouble codes: P2033, 00 (Exhaust gas temp sensor 2 high voltage) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2007 Chevrolet Tahoe LTZ 5.3L abs VIN: 1GNFK130X7 Never did get the abs/trac control light to extinguish. Wheel sensors were all reading proper mph. All data was ok. No codes. Drove vehicle 100 miles and still never reset. |
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| 2012 Chevrolet Silverado 2500 HD LT 6.6L Def pressure VIN: 1GC1KXC82C Ambient temp was pretty cold so ran the test inside until it didn't time out and then had to drive about 75 miles for the light to finally clear. |
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| 2007 GMC Sierra 2500 HD SLT 6.0L Oil pressure VIN: 1GTHK23K87 We installed mechanical gauge. Customer advised us that oil pressure on mechanical gauge never dropped. Ruled it is electrical issue and customer declined further diagnose |
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