Envoy will not change gears from 1 to 2 nd except by building RPM's. then will not go to 3rd or 4th period, when decelerating has rumble noise.
Envoy will not change gears from 1 to 2 nd except by building RPM's and letting
off accelerator. then will not go to 3rd or 4th period, when decelerating only has
rumble noise. Have changed A&B solenoids in Transmission , fluid and filter,
also changed rear differential grease...no metal found in either.
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