G 30 Van V8-454 7.4L VIN N TBI (1995)
Fluid Pump: Customer Interest
A/T - Transmission Fluid Leak From Pump Body
File In Section: 7 - Transmission
Bulletin No.: 57-71-26B
Date: April, 1997
Subject:
Transmission Fluid Leak from Pump Body (Replace Bushing)
Models:
1995-96
Buick Road master
1995-96
Cadillac Fleetwood
1995-96
Chevrolet Caprice, Camaro, Corvette
1995-96
Pontiac Firebird
1995-96
Chevrolet and GMC Truck C/K, M/L, S/T, G Models
1996
Oldsmobile Bravada
with HYDRA-MATIC 4L60-E Transmission (RPO M30)
This bulletin is being revised to remove the Warrant Statement under correction to GMC dealers. Please discard Corporate Bulletin number 57-71-26A
(Section 7 - Transmission).
Condition
(Figure 1) Some owners may experience a pump fluid leak. Starting September 11, 1995 (Julian Date 254) all units are built using a revised design body
bushing.
Cause
The pump bushing is spinning or walking out of the body.
Correction
Replace the pump body bushing using Kent-Moore tool J 41778.
