GMC 1989 Light Duty Truck, Repair Manual, Page: 305 / 998

K TRUCK FRONT AXLE 4C4-17
T O E C O N T A C T
IN C R E A S E B A C K L A S H
L O W F L A N K C O N T A C T
D E C R E A S E P IN IO N S H IM
H IG H F A C E C O N T A C T
IN C R E A S E P IN IO N S H IM
H E E L C O N T A C T
D E C R E A S E B A C K L A S H
F-2018
Figure 34— Gear Tooth Contact Pattern
• Apply a bead of sealer (GM part no. 1052942
[Loctite 518] or equivalent) to one carrier case half
sealing surface.
1. Right carrier case half (29).
2. Bolts (28).
$
Tighten
Bolts (28) to 47 N-m (35 ft. lbs.).
3. Left seal (3). Use J 36600 (K15-25 m odels) or
J 22833 (K35 models). Drive into place with a soft
faced hammer.
4. Shaft (59) with deflector ( 2 ). Drive in place with a
brass hammer.
5. Bearing (21) to the output shaft (23). Use J 33842
(figure 35).
6
. Output shaft (23) to the carrier.
7. Vent plug (60). Use a small amount of sealer (GM
part no. 1052942 [Loctite 518] or equivalent) on the
threads.
8
. Bushings (48). Use J 36616 (figure 19).
AXLE TUBE ASSEMBLY
ASSEMBLY
Install or C o nnect (Fig ures 1 throu g h 4 and 36)
Tools Required:
J 36609 Bearing Installer
J 36600 Seal Installer (K15-25 Models)
J 22833 Seal Installer (K35 Models)
1
. Bearing (4). Use J 36609. Drive into place with a
hammer.
2. Seal (3). Use J 36600 (K15-25 models) or J 22833
(K35 models) (figure 36).
3. Shaft (
1
) with deflector (
2
) to the axle tube.
4. Washer (7). Align the tabs with the slots in the tube.