2011gmc sierra shifting problems
2011gmc sierra shifting problems shifts into 3rd high revs & at 55 mph is at
3500 rpms not shifting to 4th gear
First thing is to check the color and level of the transmission fluid, if black it's too late and will need overhauled. If it's still bright red and full cold engine idling, then most likely you have electronic problems. Could be shift solenoids, TCM, low internal transmission pressures due to plugged filters.
2011gmc sierra shifting problems shifts into 3rd high revs & at 55 mph is at 3500 rpms not shifting to 4th gear
2011 GMC Sierra 1500 SLE 4WD
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Maintenance & Repair
code2771??
2011 GMC Sierra 1500
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Maintenance & Repair
My truck is having problems shifting. It seems like it’s stuck in limp mode. I have already changed the shift solenoids and replaced the transmission filter, changed the ignition switch, checked a...
2000 GMC Sierra 1500 SL 4WD Standard Cab LB
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Maintenance & Repair
I have a 2009 GMC Sierra 1500 that has been acting weird lately. When I come to a rolling stop (Yield) or take a corner slower, when I hit the gas after that, the RPM's will climb up, and my speedo...
2009 GMC Sierra 1500 SLE
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Maintenance & Repair
I have a 1991 gmc sierra 1/2 ton pick-up. Shortly after the purchase the transmission went out. I purchased another from a wrecking yard and it never seemed to shift well into 2 or 3rd. Once in driv...
1991 GMC Sierra 1500 C1500 SLE Standard Cab LB
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Maintenance & Repair
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