K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Bulletin No.: 56-43-02
For reference purposes, Figure 1 shows a layout of the front drive system.
Proper Labor Operation Usage
If the replacement of the front axle output shaft seal(s) becomes necessary and the vehicle and repair are subject to the applicable warranty, only the
following Labor Operation should be used:
F1440: Seals Front Differential Output Shaft - Replace Right
F1441: Seals Front Differential Output Shaft - Replace Left
F1447: Seals Front Differential Output Shaft - Replace Both
Important:
This labor operation includes the time needed for removal and replacement of the front drive axle (halfshaft). DO NOT submit an additional claim
for Front Drive Halfshaft R & R.
Proper Drive Axle (Halfshaft) Handling to Prevent Inboard and Outboard Boot Damage
When performing the output shaft seal replacement procedure described in the service manual, precautions should be taken to prevent damage to the
inboard and outboard drive axle (halfshaft) boots (seals). The boots (seals) are delicate and critical to the performance of the halfshaft. Take the
following precautions when performing the procedure:
