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Professional Automotive Repair Technical Discussions for August 30, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Buick Roadmaster Collector's Edition 5.7L Poor Idle Quality, Misfire VIN: 1G4BN52P3T Optispark nightmare. Vehicle has slight misfire at idle and with RPMs raised. Not noticable when driving and under acceleration. Data stream shows intermittent misfire counts on all cylinders randomly. Never sets any DTCs. Misfire can be felt in steering wheel... |
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| 2002 Buick Park Avenue 3.8L w/s washer fitting VIN: 1G4CW54K32 I have an inop. w/s washer system on this vehicle due to a broken fitting at the base of the wiper arm. This has the washer nozzles on the wiper arms & a short hose connects it to the fitting coming through the cowl cover. This fitting is the part in question ... |
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| 1971 Chevrolet Chevelle Malibu 5.7L Fuel Gauge Original problem was fuel gauge would not read correct fuel level. I did a full sweep test and the gauge goes all the way to full and all the way back to empty, so i replaced the sending unit with part from national parts depot. Gauge still will only go to bet... |
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| 2002 Chevrolet Impala LS 3.8L Suspension VIN: 2G1WH55K62 Hell all. Thank you in advance for your thoughts. This car has a popping/clunk sound when the steering wheel is not straight and going over a bump. For example, when turning into a parking lot that is slightly elevated. Turning the steering wheel while not mov... |
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| 2006 Chevrolet Silverado 3500 LT 6.6L Starting VIN: 1GCJK33D56 Good Morning Techs! This vehicle was brought into us for an intermitant no start problem after being thoroughly warmed up. The vehicle has already been to the dealership, with no repairs being done. We have checked the starter, alternator & battery and all te... |
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| 2006 GMC Envoy XL SLT 4.2L Stall VIN: 1GKES16S66 have a intermiitent stall. vehicle will idle for a hour sometimes longer, before stall occurs. intermittently on a test drive will stall. restarts every time. runs perfect, other than stalling. no codes in any module, performed system scan. replaced cam sensor... |
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| 2006 Pontiac Grand Prix 3.8L No Start VIN: 2G2WP55286 This car was towed in and it has to come when busy as all get out, right. It went to airport fine parked it came out cranked, no start. It gets to me and I of course check for codes, none, check for spark at all cylinders, none and then go to injector pulse an... |
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| 2006 Pontiac Montana SV6 3.5L all wheel drive VIN: 1GMDX33L16 06 pontiac came in for low power and poor shifting and awd inop found pluged cat and has good power and shifts good awd is still disabled. disabled for high fluid temp. the trans fluid temp is reading at 127 deg F with a tech 2. after short drive and sitting i... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Cadillac DeVille 4.9L serpentine belt VIN: 1G6KD52B5S Thank you all for your insight. The repair for this particular Cadillac was to replace harmonic damper with factor part and approx 1mm adjustment of a/c pulley. My customer is happy, I am happy . |
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| 2006 Cadillac STS 3.6L traction control VIN: 1G6DW67706 After checking the tires,grounds and powers ,scopeing the sensors (snap on vantage )need to invest in pico scope.no problem found .I am thinking it is a wireing harness problem but customer does not want to spend any more $$$ Thanks so much for all your time ... |
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| 2002 Chevrolet Silverado 1500 5.3L Speedometer VIN: 1GCEK14T52 I think Michael from New Jersey has it right. There is an output speed sensor on the transfer case, it does not go to the cluster but to the pcm. it is used for shift patterns etc. there is NO ABS sensor in the rear diff anywhere or at the axles (was surprised... |
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| 2001 Pontiac Grand Am SE 3.4L Security VIN: 1G2NF52E21 Thanks to everyone who assisted on this one. Diagnosed faulty BCM (Body Control Module). Customer decided car was not worth new BCM and reflash. Another one for the crusher... Again, thanks to everyone who responded. |
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| 2004 Saturn Ion-3 2.2L radio VIN: 1G8AL52F94 thanks to all.craig from michigan sorted this one out for me.apparently saturns have panasonic radios,unlike other gm's.therefore,the codes from the gm phone # don't work.thanks again craig for coming up big for me! |
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