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Prev Professional Automotive Repair Technical Discussions for June 4, 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
2010 Cadillac Escalade 6.2L misfire on decell VIN: 1GYUKBEF7A
removed the fuel rail, check for any debris in rail, swapped injectors side to side before installation, cleaned injectors with bg products x3. smoked intake for vacuum leak diagnosis, swapped coils cylinder to cylinder, vehicle has no engine noises, no tappin...
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1994 Chevrolet C1500 Cheyenne 4.3L High Idle VIN: 1GCDC14Z1R
Vehicle is field truck that went through high water at high speed. Vehicle stalled, so customer cleared sensor connectors and distributor of water. Came in with running rich condition. Replaced broken ECT sensor, and MAP sensor for rich condition. Customer sai...
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2004 Chevrolet Monte Carlo LS 3.4L brakes VIN: 2G1WW12E64
Had a pulsing problem with this vehicle. Checked for run out on original rotors. one of the front was out about .015 other was fine. Changed front pads and rotors, but still have the pulse. Changed vss, it was off anyway, but this did nothing other than making...
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2009 Chevrolet HHR LS 2.2L A/C Drain VIN: 3GNCA13BX9
Now this vehicle has come back again leaking water from the bottom of the HVAC housing next to ware the heater core is. Has anybody else come across this same problem?? I really do NOT want to pull the ASSM. out again.
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2013 Chevrolet Suburban 1500 LTZ 5.3L Idole in geer VIN: 1GNSKJE78D
Good morning . Gm transmission expert needed.I am not a transmission expert Truck develop a sliping problem only when hot above 75 C. In drive when you stop it will "get out off gear" if you release the brake wont move, slowly pushing the gas will get in...
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2003 GMC Sierra 3500 8.1L transmission VIN: 1GDJK39G23
Customer brought truck in with a transmission whine and requested transmission fluid/filter change. I changed both filters and fluid. Took vehicle for test drive and approximately 1/2 mile, the vehicle gears quit. Towed it back to shop, scanned it. Replaced th...
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick LeSabre Custom 3.8L No Start, Stall VIN: 1G4HP54K31
Well this one is fixed. Long story short someone before me must have removed the engine compartment fuse/relay box. Turned out the whoever did this did not tighten the three bolts up in the middle of it to hold the connections together. I had to send it to my ... Trouble codes: U1040, U1300, U1255, U1305, U1604, U1160.
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2007 Chevrolet Equinox LS 3.4L abs VIN: 2CNDL13F67
Thank you to all who helped. The crazy thing of this situation that baffles me is that it would only set code on cold start up. Never would drop speed while driving. Tightened every connector and checked ohms with other sensor and the checked equal. Decided to...
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2003 GMC Savana 2500 4.8L erratic guage sweeps,etc VIN: 1GTGG25V43
thanks for all the replies. I did double check ignition voltage and it was ok. Noah from Maine nailed this one(and I am not proud to say I have been bitten by this dog before). the ground strap behind the front bumper on the pass. side of the truck was corrod...
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2003 Pontiac Montana 3.4L Poor Idle Quality, High Idle VIN: 1GMDX03E63
First off thank you for all the help.. Second off I would like to let you know it is fixed... Turns out the ECM was shorting out. None the less it is done and going home...
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2000 Saturn SL1 1.9L all shifts VIN: 1G8ZH5283Y
i guess this one was elusive - replaced shift solenoid - cleaned all grounds after load testing with halogen ground test rig to find corroded one - road tested - all is well
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