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Professional Automotive Repair Technical Discussions for December 5, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2001 Cadillac DeVille 4.6L Hvac VIN: 1G6KD54Y21 Thanks for help in advance. Customer complaint is heater only works on max temp, if tempature setting is moved off of max (90 degrees)by 1 degree it starts to blow cool. Confirmed complaint, watched counts with scan tool. Counts at 90 degrees are 233, drop to ... |
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| 1997 Chevrolet K1500 Suburban 5.7L No Start VIN: 3GNFK16R3V Vehicle came n with a no start, charged the battery and started testing things, customer had been working on suv before us. found that it had no pulse at the inj. wires were good, replaced the pcm and reset the security, now I have pulse but still does not sta... |
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| 2011 Chevrolet Silverado 2500 HD LT 6.0L MIL Lamp on VIN: 1GC1KXEG7B This vehicle has the MIL and the Stabilitrak light coming on and flashing intermittently. I have noted that when the live misfire data is observed that during steady throttle position the data will indicate massive amounts of misfires especially on cylinder fi... Trouble codes: P0300 (random misfire detected) |
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| 2001 GMC Sierra 2500 HD SL 6.6L downshift VIN: 1GTHK23161 Ok to anyone with Allison experience. Truck has a very delayed downshift when you come to a stop. If you stop and try to accel right away it will free rev then slam into first. If you come to a stop and sit for about 20 sec you can actually feel the trans down... |
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| 1994 Pontiac Grand Am SE 2.3L Upper Engine Noise Or Rattle VIN: 1G2NE5533R I replaced the noisy timing chain,guides and gears and the water pump. The pump had a very bad bearing. After completion i still have a noisy engine. The rattle seems to be in the upper end cam cover or chain area. Here is the weird part, if i turn the steerin... |
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| 2001 Pontiac Aztek 3.4L Starter VIN: 3G7DA03E81 Will not crank via the key, can jump at the relay and it cranks and runs for about 30 seconds. No other codes come up. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2009 Buick Lucerne CXL 3.9L passinger side VIN: 1G4HD57M19 Thanks for all who replied to my problem vehicle. We decided to go with a heater core after pulling the dash and finding no doors broke or binding. And that fixed the no heat problem on the passenger side of the car. Car is now gone and customer is happy, onc... |
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