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Professional Automotive Repair Technical Discussions for May 9, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick LeSabre Custom 3.8L Surge VIN: 1G4CW5218R When ambient remp. is 85°+ vehicle will not throttle up after coming to a stop. No obd1 codes, driver took car to GM dealer spent money on diagnosis; no joy. When car is towed home it'll restart and drive fine after initial failure. |
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| 2005 Chevrolet Avalanche 1500 LT 5.3L MIL Lamp on, Fuel Leak VIN: 3GNEK12Z55 Vehicle was in previously for a fuel leak. The flooded canister, the vent valve/filter assembly, and the gas tank assembly was replaced last visit. These parts were supplied by Chevrolet. Vehicle has returned and fuel is dripping out of the canister vent val... Trouble codes: P0452 (Fuel Tank Pressure Sensor Circuit Low Voltage) |
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| 2010 Chevrolet Cobalt LT 2.2L Engine Failure VIN: 1G1AD5F57A Hi All: I have the above vehicle with a failed engine. It appears to have lost oil pressure to the front camshaft. Plenty of broken valve train parts. The decision is to install a used engine. Book calls for dropping the powertrain through the bottom. I'm won... |
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| 2009 GMC Sierra 2500 HD SLE 6.6L Park to drive shift. VIN: 1GTHK54659 Greeting Allison trans techs. Customer with this GMC had it towed to me as a Runs but no-go. Stated that he started the vehicle and backed out of his garage but when he shifted from Reverse to Drive there was the seemingly normal engagement feel of the transmi... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1990 Cadillac Commercial Chassis 4.5L No Start VIN: 1G6CB1332L Wow! What a Ride. We had to Replace the Distributor again! Running and Down the Road! Thanks Again! You ALL ROCK! Fred Trouble codes: 41 (Cam Sensor Signal Problem). |
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| 2008 Cadillac DTS 4.6L radio VIN: 1G6KD57Y08 Group I advised customer I needed more time for testing and they did not want to pay anymore than an hour for anything. Stated they weren't bothered too bad by it so they took as is. Thanks for the help. |
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| 2004 Chevrolet Corvette Z06 5.7L Differential VIN: 1G1YY12S94 Someone was definitely trying to fix a leak on this before me. I removed the differential this morning and upon closer inspection I found the output seal on the rear of the transmission was installed backwards. I installed the seal the same way the old seal ... |
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| 2004 Chevrolet Suburban 1500 LS 5.3L precharge pump VIN: 3GNEC16Z74 It did end up being the left front wheel speed sensor. It was so brief that you could only catch on scanner periodically. Was able to remove it and clean rusty surface. Being here in NY we see the false activation all the time just before the vehicle comes to ... |
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| 2007 Pontiac G5 GT 2.4L No power VIN: 1G2AN18B17 Thanks to all who replied, Sorry to be late closing this, I did not mention that we had previously done a memory clear and re-learn with no change in how the car ran. We had suspected the brake light switch as several had responded, but it seemed to check o... |
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