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1988 Chevrolet 3500 5.7L Shifting
Posted to GM Transmission on 5/4/1998

this one came in with a very late or not at all shift problem. Its a th-400. I replaced modulator(apparently never been changed) fluid and filter, and cleaned and checked governor, but after all those the thing still hardly ever shifts and if it does its at hi...

 
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet 3500

VIN 1GB6C34K0J
Engine5.7 L / 8 cyl
AffectedShifting
ConditionsVery Late
Misc.Flat Bed
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet 3500

VIN 1GB6C34K0J
Engine5.7 L / 8 cyl
AffectedShifting
ConditionsVery Late
Misc.Flat Bed