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Prev Professional Automotive Repair Technical Discussions for October 15, 2013
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1999 Buick LeSabre Custom 3.8L ac VIN: 1G4HC96R5X
Thanks for any help you can give. The VIN is wrong I forgot to bring it home. This car came in with a intermittent abs & security light on. I could not duplicate either one so I got the modis out to look for abs history codes. No communication from module. I t...
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2006 Cadillac CTS 2.8L injector VIN: 1G6DM57T76
car has a miss in it so we scanned it and found #2 cylinder miss firing, so we installed new plugs, and cleaned the injectors still the same, so we installed new coil packs and installed new injectors, still same codes. We then put lights on the injectors and ...
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1981 Chevrolet Corvette 5.7L no auto shift VIN: 1G1AY8768B
Been a long time and I can't remember, This 350 trans won't shift if in D or 3rd. It will shift if manually shifted from first to second and then to third. One-two shift feels normal if done manually but third hits real hard when shifted from second to third. ...
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2007 GMC Acadia SLT 3.6L Camshaft VIN: 1GKER33797
Just looking for a little more information before I tear into this motor. Has a few codes in it P0172& P0175 both system rich codes, P0300 (we all know this one) P0366 Exhaust cam position sensor performance B1 and P0496 Evap system flow during none purge. My ...
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Fixes & Summaries for GM
Fix/Summary Answers
2009 Chevrolet Cobalt LT 2.2L electronin power steering VIN: 1G1AT58H89
I cant believe I didn't think of graphing the cicrcit. Thanks you Robert. While test driving with the graph recording there was a lot of current spikes when hitting bump, banging on the steering wheel, closing doors, ect. The funny part is that it rarely when ...
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2001 Oldsmobile Alero GL 3.4L Airbag VIN: 1G3NL52E61
Well its fixed. I checked all data and communication with all modules. I got a new bcm and returned to the dealer. I informed him that the new bcm wasn't installed yet. He connected to the dlc, did some reconfiguring from the sdm then to bcm, punched in the ra...
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