G 2500 3/4 Ton Van V8-350 5.7L VIN K TBI (1995)
Output Shaft: Customer Interest
A/T - Leak at Rear Extension Housing
FILE IN SECTION: 7 - Transmission
BULLETIN NO.: 57-71-03
DATE: February, 1995
SUBJECT:
Transmission Leak at Rear Extension Housing and Prop Shaft (Install New Grease Sleeve and Seal)
MODELS:
1991-95 Chevrolet and GMC Truck G Vans
with 1991-94 Hydra-Matic 4L60 Transmission (RPO MD8) and 1993-95
Hydra-Matic 4L60-E Transmission (RPO M3O) "CBD and CJD" Broadcast Codes
CONDITION (Figure 1)
Some owners of the listed vehicles with a one piece prop shaft built before October 7, 1994 (Julian Date 280) may comment about a leak at the rear
extension housing. This is most noticeable when the vehicle is parked facing up-hill.
CAUSE
This condition is due to a lack of a grease sleeve on the output shaft.
CORRECTION (Figure 2)
Order and install a new grease sleeve (690) and seal onto the output shaft. The prop shaft seal (03764601) is to be pre-installed into the inner lip of the
sleeve (690) Refer to your Service Manual for proper replacement procedures.
