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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 27, 2015
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Open Help Requests for GM
Help Request Answers
1984 Chevrolet S10 2.8L Transmission VIN: 1GCCS14B7E
We got this vehicle in and it was slipping and grinding when going into gear. We installed a clutch kit and went to drive it and the transmission grinds when going into reverse. We warrantied out a slave and master cylinder that we had installed back in Octobe...
2001 Chevrolet Silverado 2500 HD LS 8.1L No shift
Hey Gents I have a 2001 chevy HD 2500 with a 8.1 liter that was brought to me with a complaint of no shift and delayed engagement of transmission! found the following codes po500, po507, po700, p1336, p1571, u1024 stored. I know the po700 and u1024 are trans ...
2004 Chevrolet Silverado 2500 HD 6.6L Misfire VIN: 1GCHK23194
I installed all eight fuel injectors due to excessive smoke. The truck ran fine just smoked. The truck came back after 1 week with a slight engine miss sometimes at idle. It seems worst when it returns to idle after a snap throttle. I also noticed a slight kno...
2005 Chevrolet Silverado 1500 5.3L air bag light VIN: 1GCEC19Z45
Old customer, new truck. This guy just bought a month ago. Air bag light comes on - may stay on a few minutes or a few days. Goes back off, then repeats itself. Ground wire under drivers bad, cleaned and repaired. No codes, doesn't affect running or anything, ...
1993 GMC K3500 Sierra SLE 6.5L convertor seal VIN: 1GTHK34F1P
Hi all you tranny guys, was gonna bounce this one off you. Recently resealed transmission because customer had engine replaced and wanted transmission "gone through" while it was out. Resealed transmission and reinstalled. Had it come back with losing 4th gear...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Buick Riviera Luxury 3.8L Cuts out, MIL Lamp on VIN: 1G4EZ11C3K
The vehicle is fixed. I like to send my thanks to Jason from South Carolina, and Rick from Ontario who guide me in the right direction. I removed the ECM to see if I could find any thing burned, and I find none. I reinstall the ECM, start engine, decided to ho...
1997 Chevrolet Monte Carlo LS 3.1L collasped fuel tank VIN: 2G1WW12M8V
YES my car is fixed. the fuel tank sensor causing all my problems. just got done driving it across a couple of counties with data in hand - all readings are great. venting and purging perfectly - luckily I hade several of these sensors in my spair parts bin. g... Trouble codes: P0440.
2004 Chevrolet Aveo 1.6L MIL Lamp on VIN: KL1TD52654
seems like ground wire worked could not find old gound installed new ground from battery to head and battery to body after this was able to reset crankshaft learn checked speedo ring on differential suspect faulty speedo thanks for the help Trouble codes: P0300, P0700, P1781.
2006 Pontiac Solstice 2.4L high idle VIN: 1G2MB33B16
Tried to road-test vehicle, and it continued to set the DTC which after reprogramming the vehicle didn't come on. But the MAF code kept popping up and after reprogramming vehicle also replaced the MAF connector and the MAF sensor and the vehicle had no codes a... Trouble codes: P0122 (Throttle Position Sensor 1 circuit low voltage), P0223 (Throttle Position Sensor 2 circuit high voltage).
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