K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Axle Shaft: Technical Service Bulletins
Drivetrain - Revised Front Drive Axle Seal R&R
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.
