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Prev Professional Automotive Repair Technical Discussions for August 15, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet Cavalier 2.2L abs/srs VIN: 3G1JC5249W
No communication with abs module or air bag module. Abs and red brake light on. unplugged instrument cluster, then able to communicate with abs and airbag module. Replaced cluster and established communication with both modules. Shortly after no communication ...
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1998 Chevrolet Corvette 5.7L Instrument Panel Voltmeter VIN: 1G1YY22G6W
This 1998 Corvette has a problem with the digital and gauge readout on the instrument cluster. Although at the battery I have about 12.7 volts with all loads on (blower motor, air conditioner, wiper motor, rear defroster, radio, high beams, fog lamps and radia...
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2003 Chevrolet Silverado 2500 6.0L Hesitation, Cuts out VIN: 1GCHC29U53
this one is beating me up. iv gone over this truck looking for a ground problem and cant seem to find nothing.THE moudal on the firewall next to the brake booster I replaced.Has anyone seen this? When we get the truck to the shop its fine,but 2 days later in t... Trouble codes: P1518, U1041, U1064, U1301
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2005 Chevrolet Trailblazer LS 4.2L P/S pump VIN: 1GNET16SX5
2005 Trailblazer,6 cyl. P/S pump leaked all the fluid out and ran dry.Replaced pump and all is well for 2 days.Truck comes back with squealing noise at times. When you turn the steering wheel all the way to either side the power steering pump pulley stops turn...
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2005 Chevrolet Silverado 1500 5.3L rotors VIN: 1GCEK19ZX5
to continue truck came back in 2 days still rotors locking up due to overheating . if we would crack the inner brake line( right rear)on master front wheel would release , next removed master cylinder found old master cylinder sticking in bore thought this was...
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2009 Chevrolet Silverado 1500 WT 4.8L Wipers with delay VIN: 1GCEK19C29
This one came in with no wipers. We checked all fuses and checked for power and grounds at the motor. No battery voltage at motor. 4 of 5 circuits at motor show good to ground. Ran battery voltage to circuit not showing ground with no results. Unable to find a...
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2003 GMC Envoy XL SLE 4.2L vents VIN: 1GKE516S73
This one for the fellow gm techs: The customer complained erratic vent operation .Came to me with selector in face but blowing from the floor outlets .Looked on the database and found it to be a common problem on this platform,so went ahead and ordered the ne...
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1998 Pontiac Grand Prix GT 3.8L radio and windows VIN: 3G2WP52K2W
power windows and radio quit working at the same time.
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Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Park Avenue 3.8L compressor VIN: 1G4CW52K8X
thanks for all the help..it had a bad body control module reprogramed and all is working good.
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2000 Chevrolet Astro 4.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCDL19W2Y
Clogged Exhaust; After checking a lot of things I finally went with a gut feeling and pulled both front 02 sensors out and van ran good, replaced Cat/Y pipe and the van runs good. Should of check the first, but thanks to all of you for the replies, I got more ... Trouble codes: P0102 (Mass air flow low).
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2005 Chevrolet Corvette 6.0L converter VIN: 1G1YY24U35
I would like to thank everyone who responded to my request. Steven [...] had the best answer for me. There really is no reason that I could see for removing the torque tube WITH the transmission.After removing the torque converter bolts, cross member etc. I ju...
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2006 Chevrolet Uplander LS 3.5L ABS Module VIN: 1GNDV23L76
Well the vehicle is fixed and delivered to the customer. I want to thank all of you for replying. The fix was the EBCM did need to be flashed. Even the dealer that I bought the part from did not know this. I have been flashing controller since 2007 in the afte...
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