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Professional Automotive Repair Technical Discussions for June 12, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Cadillac DeVille 4.5L compressor VIN: 1G6CD5150K My a/c compressor will not engage unless the system is reset. After reset, the compressor may stay on for about 1 minute, them kick off. I have grounded out the control circuit at the relay for the a/c compressor and the compressor works great. I have also ver... |
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| 2008 Cadillac CTS 3.6L No Start VIN: 1G6DR57V08 Vehicle cranks and will not start. vehicle came from another shop who replaced the battery and was unable to repair the vehicle so its with me. The code is P0336, vehicle starts and dies almost as if the security system was cutting out the fuel but its not the... Trouble codes: P0336 |
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| 2001 Chevrolet Cavalier LS 2.2L refrigerant VIN: 1G1JF52441 This Cavalier originally came in with a A/C inop complaint and had no refrigerant. My original diagnosis showed dye around the accumulator fittings, so I replaced the o-rings on them, and recharged. Inspected for additional leaks via UV light and found none, b... |
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| 2003 Chevrolet Silverado 3500 6.6L Power Mirror VIN: 1GCJK39143 This truck is fully loaded and has Power adjustable mirrors. Including Extend and Retract. After replacement of the DDM (AcDelco Part) All functions for the mirror function except Mirror retract. The mirrors fully extended but do not retract. On the Scan d... |
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| 2006 Chevrolet Silverado 1500 WT 5.3L Front Driveshaft VIN: 1GCEK19B86 Rotational noise, consistent with drive shaft speed. Hard to determine if it is coming from the front diff or transfer case area. Removed driveshaft and test drove through our industrial park, I did not hear it, but not 100% it was gone. Very hard to hear due ... |
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| 2008 Chevrolet Trailblazer LT 4.2L Electronic VIN: 1GNDT13S78 AC Compressor wont engage all fuses are good so as the freon no codes in the system but i can activate the compressor with tech 2 and the ac compressor works i'm leaning towards the main control unit for the ac , any help will be greatly appreciated |
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| 2011 Chevrolet HHR LT 2.2L oil pump VIN: 3GNBABFW5B Thanks in advance for any or all help. The vehicle comes in with noisy chains and rattling. We sell new chain and guides. The job goes smooth, car starts right up, test drive for 10 miles and release the vehicle the next day. Now a week later and about 240 mil... |
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| 2006 Pontiac Grand Prix 3.8L Hesitation, Stall VIN: 2G2WP55296 car was towed in for a no start.didnt have no rpm signal so we replaced the crank sensor. didnt help it will start up and run then die after 5 or so min then sometimes when go to start back it will just make a weird sound like not enough fire to starter then o... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2012 GMC Acadia SLT 3.6L Cooling Fans VIN: 1GKKVRED4C Thanks to all who responded. Initially when I powered the fans on with a tech2 I found the #1 fan would only operate when I grounded it's ground side at the fan connector. # 2 fan did not work but I was not able to access it's connector. After studying the wir... |
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| 2008 Pontiac G6 GXP 3.6L Poor Fuel Economy, MIL Lamp on VIN: 1G2ZM17748 All excellent info. After talking to customer again he stated that at one point during one of his starts he heard a thunk and shortly after that is when the problems started. Customer is pondering whether he wants to pursue any farther. Since it is a labor int... Trouble codes: P0011 (intake cmp perf bk1), P0014 (exhaust cmp perf bk1), P0017 (ckp to cmp correlation bk1 exh), P0021 (int cmp perf bk2), P0171 (lean bk1), P2273 (O2 bk2 s2 signal mal). |
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