I get a vibration or shudder after tranny shifts into 4th gear and only between 55-60 mph, replaced u-joints, front driveshaft, and motor mounts but still does it. what else could cause that

Asked by Jan 05, 2013 at 09:28 PM about the 1994 GMC Sierra 2500 2 Dr K2500 SLE 4WD Standard Cab LB

Question type: Maintenance & Repair

1 Answer


well my father is an experienced mechanic, and by the looks of it your gears might be slipping.. its an old truck and it might be time to replace your tranny or have a mechanic look at it.

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