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Professional Automotive Repair Technical Discussions for November 25, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Buick LeSabre Custom 3.8L Airbags VIN: 1G4HP52K8W Airbag light on w/code b1071 internal sdm problem, and b1024 drivers loop short to ground. With airbag componet off of steering wheel and wire harness disconnected from sdm [safety detection module] we ohmed out circuits 347 and 348 these are the two circuits ... |
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| 1969 Chevrolet Camaro SS 6.5L Poor Idle Quality this car has had a 427 put in it and was built by someone I can not get to. customer was told it needed a carburator he put one on then called me still ran very bad timing was at 10 had only 4 inches or less of vacume so I cranked the timing to 47 before I get... |
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| 2006 Chevrolet Colorado LT 2.8L Turn Signals VIN: 1GCCS14896 The turn signals flash left when the switch is in the middle,flash right when switch is right and flashes right when the switch ias to the left.I check all the bulbs to make sure they where not back feeding,Unplugged the hazard switch,And located the flasher b... |
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| 2007 Chevrolet Impala LT 3.5L engine VIN: 2G1WT58N47 This engine develops fairly loud tapping noise somewhat like a lifter but is less sharp (metallic) and more of a squeaky tone when fully warm and only at idle. Noise seems to be coming from center of engine. Otherwise car has no problem with no codes or misfir... |
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| 2008 Chevrolet Impala LS 3.5L Rough on cold start VIN: 2G1WB58N68 After vehicle sits for 4 plus hours it will miss and run rough for a period of 2 to 10 seconds and maybe even stall. It doesn't idle fast either. The feeling from the drivers seat is that of a lean condition. No codes. No miss fires on misfire monitor. Perhaps... |
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| 2004 GMC Sierra 2500 HD SLE 6.6L coolant leak VIN: 1GTHK232X4 Hi, folks. I'm hoping the Duramax gurus can help me with a couple of questions. This '04 has an external coolant leak from the #1 injector. I did pull the injector and found the O-ring (which is basically just a dust seal on these, correct?) mispositioned. So ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Chevrolet Silverado 2500 HD LT 6.6L Cuts out, MIL Lamp on, loss of power VIN: 1GCHK23D26 Well Thanks for all those great responses and help. I replaced all the injectors that had the high return flow rates, in this case I replaced all of them. We gave back the truck to the customer and have been following up with him, so far its been ok. Trouble codes: P0087 (low fuel rail pressure). |
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| 2001 GMC Sierra 2500 HD SL 6.6L Cooling Systems VIN: 1GTHK23151 Marco was right, it was a blown head gasket believe it or not. Customer was in too much of a hurry and had to have it that day, wanted to get oem thermostats (we are in a remote area and have to order parts out of town. its sad no one makes any decent aftermar... |
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