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International Automotive Technicians Network
1989 Chevrolet Crew Cab 5.7L Shift
Posted to GM Transmission on 3/29/2000

Fellow techs, We use this truck at the shop and it has a THM400 tranny. This thing will rap out at extremely high rpms before it will shift. We don't do much with trannys other than service work. We thought that it might be a stuck throttle valve but this ...

 
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet Crew Cab

VIN 1GCGR23K7K
Engine5.7 L / 8 cyl
AffectedShift
ConditionsVery High Rpms
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet Crew Cab

VIN 1GCGR23K7K
Engine5.7 L / 8 cyl
AffectedShift
ConditionsVery High Rpms