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Professional Automotive Repair Technical Discussions for March 24, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Hesitation, Cuts out, Stall, Backfire VIN: 2GCEK19K9P Trucks main concern is a back fire through intake. Only happens when you first snap throttle from idle or a steady load. Mainly when you take off from a stop, it will backfire, hesitate, then go like normal. With airfilter off a fire ball will shoot out of thr... |
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| 1998 Chevrolet C1500 Cheyenne 5.0L Wipers VIN: 2GCEC19MXW Regular customer, well maintained truck. Came in Monday with the wipers running on intermittent all the time. I have been through the obvious, module, etc. then I realized this happens only when the engine is running. In accessory, they work properly. No probl... |
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| 2007 Chevrolet Avalanche LTZ 5.3L remote start VIN: 3GNFK12367 Hello everyone, I have an Avalanche here--good customer of ours. He bought it not too long ago and didn't even know it had a remote start, and we would like to get it working for him. I have gone through all the systems and fixed the DTC's because I know it wi... |
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| 2008 Chevrolet Avalanche LTZ 5.3L AFM Lifter/VLOM After previous repair engine cranked and ran ok. However after lifters primed there was a misfire still on bank 2. Removed bank 2 valve cover and both cylinder 4 rocker arms were stationary. Upon further diagnostics the rocker arms make 2 full strokes during c... |
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| 2011 Chevrolet Camaro LT 3.6L top convertible top is baggy around rear section at body. stops on rear of convertible top do not mesh with stops on body..they are too far forward. mechanism looks fine, adjustment bolts are tight, customer said it just happened last week. saw a post on identifix... |
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| 2011 GMC Savana 3500 4.8L No Start VIN: 1GDY72CA1B Van Was Wrecked Left Front. They Replaced Left Frame Rail. Has No Start, No Crank. Scanner Will Not Communicate With PCM, Transmission, Antilock Module, And Roll Over Sensor. Checking Modules Under Module Set Up I Can See BCM, Radio, Door lock Modules. Looking... |
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| 2002 Oldsmobile Silhouette GLS 3.4L No Start VIN: 1GHDX03EX2 No start condition. Solid spark, good fuel pressure. Injectors do not pulse while cranking. Verified power at the injectors and was able to manualy command injectors on by grounding the opposite wire at each injector. Vehicle will fire momentarily on starting ... |
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| 2006 Pontiac Torrent 3.4L Readiness Monitors VIN: 2CKDL63F76 Hello everyone and thanks for the help on this one. I have this pesky 2006 Pontiac Torrent with the 3.4 engine that will not ready for smog. The EGR and EVAP monitors will not run and this customer has driven the vehicle 300 miles. My employees and I have dr... |
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| 2001 Saturn LW300 3.0L Lifters VIN: 1G8JW82R01 Hello, we have a stumper here. Vehicle came to us with one or two noisy lifters. We got authorization to tear down the top end to access the lifters and found five lifters that were collapsed. Camshafts looked great, cam bearings looked great. Cranking the eng... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Chevrolet Silverado 1500 5.3L fuel lines leaking VIN: 1GCEK19T13 I have fixed this truck... Whew , if I had this to do again I wouldn't do it . The steel lines at the engine were still o.k. so I decided to leave them alone. My fix was to take my Dremel tool and remove the flex lines at the old assy. going up to the engin... |
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| 1998 GMC K1500 Sierra SL 5.7L EVO/VTD Module VIN: 2GTEK19RXW Thanks for all of the replies fellas! I tried everything but the signal generator tip. Was not able to locate one. They brought me another used dash, but the TCCM and wiring were different. NP8 not NP1. They decided to punt, and had that jewel towed out of her... |
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| 2008 GMC Sierra 1500 WT 4.8L Mechanical VIN: 1GTEC19C78 I like to thank everyone for there inputs and big effort to help we found the problem by removing cylinder head and found a bad intake valve seat, valve was ok the seat was slightly worn enough to cause the misfire at idle, valve job was done and the problem s... |
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