Drivetrain - Revised Front Drive Axle Seal R&R

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GMC NUMBER: 92-4C-50

GROUP: 4C Rear Axle

DATE: February 1992

CORPORATE
NUMBER: 264301


SUBJECT:
FRONT DRIVE AXLE SEAL REPLACEMENT (SERVICE INFORMATION)

MODELS:
1988-1991 K-TRUCK


The front drive axle removal and replacement procedures have been updated in the 1992 Sierra, Yukon, Suburban Service Manual (X-9231) Section 4C-6. These procedures apply to the removal and replacement of front drive axles for any 1988-92 K truck.

Front axle inner (tripot) seal and outer (C/V) seal replacement procedures are updated in the following Service Manual Update (SMU):

X-9174 Issue No. 14, November, 1991

SUBJECT: SWAGE CLAMP AND BOOT REPLACEMENT

MODELS: 1988-92 K-MODEL TRUCK

Important highlights of the SMU include:

- Cleaning of the axle shaft grooves and proper location of the seal on the axle shaft grooves.

- Cleaning of all internal components and use of the premeasured grease packet.

- Proper inboard seal installation using the convolute retainer included in the seal kit.

- Proper inboard seal installation dimensions.

- Proper use of the swage clamp special tool J 36652.





SERVICE PARTS INFORMATION:


Parts are currently available from GMSPO.

WARRANTY INFORMATION:
For vehicles repaired under warranty, refer to appropriate Labor Time Guide for Labor Times.