GMC transmissions & drivetrains repair questions and answers
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566 Questions
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2004 GMC Envoy automatic transmission will not shift out of park.Kenny - 2004 GMC Envoy - Transmissions & Drivetrains - 6/12/2013This has been an intermitting problem. The shifter release button cannot be pushed in. Vehicle is not sitting on an incline so it is not torque tension on the transmission. The brake peddle is being pushed down as well and vehicle cannot be shift into gear.-
3/4/2012 jdlMaybe an issue with shift interlock mechanism? If there is a bypass, your owners should show it? I'll look. -
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6/12/2013 jdlThere is no relay, but, there is a brake pedal switch, activated by the brake pedal arm. Also, check the neutral switch. Check voltage at the back-up fuse and btsi fuse in underhood fuse block. The circuits go hot with the key on.
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Why does the vehicle make a grinding sound when you accelerate?brownericd - 2009 GMC Sierra 1500 - Transmissions & Drivetrains - 6/6/201348000 miles on the vehicle and it does this always.The symptoms occur when driving. About a month ago it just made the noise when it was cold now it does it all the time. -
How to fix the none responsive on engaging any gear?leo - 2003 GMC Envoy - Transmissions & Drivetrains - 5/20/2013None of the gears will engage -
My vehicle makes noise on acceleration and when vehicle slows down noise stopsnikkifleminggto - 1995 GMC Safari - Transmissions & Drivetrains - 5/15/2013its in the front ,and now when i put it in drive the car shakes and makes a loud clunk clunk sound. the car does move but got to the point where to go even ten miles an hour it shakes and is severly noisy
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My check 4 wheel drive light JUST came on. The truck is stuttering and dragging. Has started to stall as well. PLS HELP!lisa.r.watson - 2000 GMC Jimmy - Transmissions & Drivetrains - 5/1/2013I am a single Mom who NEEDS my baby!!! If ANYONE can offer me any CHEAP guidance I wld SOOOOOOO appreciate it!!!! -
Will go from park to drive but will not come out of first gearstructural54 - 1992 GMC C2500 - Transmissions & Drivetrains - 4/30/2013tanny will go in to reverse
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Transmission won't shift out of first, but has reversestructural54 - 1992 GMC C2500 - Transmissions & Drivetrains - 4/30/2013
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Trans does not shift to reversetbone - 1987 GMC R1500 - Transmissions & Drivetrains - 4/18/2013will shift to D but then will bogg down between 5 - 25 mph and won't shift again
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My service stability light comes on my information center on dash .vicki.williams - 2006 GMC Yukon XL 1500 - Transmissions & Drivetrains - 4/14/2013Doesn't stay on if I hit a mileage button or any other button. Otherwise will stay on.
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Why does my 2001 gmc 1500 4x4 not shift into 4 low ?texas tom - 2001 GMC Sierra 1500 - Transmissions & Drivetrains - 4/14/2013my 2001 gmc will not shift into 4x4 low the awd and 4x4 hi work fine. the light dosnt even flash on dash when you try to put it in gear . it just go back to what ever drive you had it in before you try to shift. it is a 4speed auto 177000 miles is there something ...
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From a stop eng normal but no power as if stuck in high gear codes p0753,0758,0740,2761exfireboy - 2005 GMC Sierra 1500 - Transmissions & Drivetrains - 4/7/2013eng light on seems to drive normal once up to speed
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4/7/2013 james700codes are transmission codes. Pull codes if no reader try this .can you manually put shifter in 2nd shift to3rd see if you here or feel shift.Trans may be stuck in overdrive or torque. Converter problem..read codes first and go from there.trans codes can be deceiving and costly. Hope not in your case Jim.
4/7/2013 jamesSome known failures are trans switch on dash and solenoid on side of trans. -
4/7/2013 HouseCallAuto1. Monitor the IGN0 fuse in the Instrument Panel fuse block with a digital volt ohm meter while the condition is present.
2. If voltage drops low at the fuse, replace the ignition switch.
3. If the voltage is OK at the fuse, check voltage level at the transmission round connector, pin E, Pink wire..
4. If voltage drops at the transmission connector, yet is OK at the IGN0 fuse, lift the Underhood Bussed Electrical Center up, check Pink wires at C9 of the 68 pin gray connector and E11 of the 68 pin black connector.
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From a dead spot , engine runs fine (not over reving) but no acceleration as if stuck in high gear. engine light on andexfireboy - 2005 GMC Sierra 1500 - Transmissions & Drivetrains - 4/7/2013codes p0753, 0758, 0785, 0740, 2761
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Check gauges light is on, tachometer, speedometer, and gear selector indicator not working. Shifting problems exists.stratos268 - 1997 GMC K1500 - Transmissions & Drivetrains - 4/4/2013Truck seems to be in default 3rd gear at take off and no overdrive when this occurs. Only happens about half of the time. When check gauge light is NOT on, problem does not exist. Instrument panel works as it should and shifts gears normal. Truck is a 1997 GMC ...-
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4/4/2013 mossbrandon14I had the same problem with my 1997 GMC k1500 and i found out that it was the wiring in the steering column that was faulty. I went to pick n pull and got a steering column out of a 1999 and my truck works great now.
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4/4/2013 tobaw12Take a truck diagnostic tool (careucar.com) to have a check, and you will get some fault code, form the codes, you can know what problems cause the lights on.
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4 wheel drive will not engage, lights on selector buttons are not litrlamotte - 1996 GMC K1500 - Transmissions & Drivetrains - 4/4/2013
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4/4/2013 mossbrandon14could be a bad connection at the back of the buttons. unplug the buttons and plug them back in. try moving the wires around on the back.
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Transmission problems , vehicle went out of gear and coasted to a stop.deputyfarva252 - 2004 GMC Envoy - Transmissions & Drivetrains - 3/22/2013While Driving my vehicle today the rpms jumped up and the vehicle coasted to a stop. The transmission will not engage. Is it possible its just the transmission solenoid ?
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2/20/2013 smith.scott422My brothers has been doing the same thing . doesn't seem like the trans though. can seem to figure out. -
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