Bearing Adjustment - GMC G Service Manual

4B1-22 REAR AXLE
Figure 34 — Rockwell 12-Inch Ring Gear Axle and Hub Components
Install or Connect (Figures 34 and 35)
E
Tool Required:
J 2619-01 Slide Hammer
1. Axle shaft (74).
• Tap the axle shaft (74) into position using
J 2619-01 (figure 35).
• Index the axle shaft (74) splines into the hub
(86) splines.
2. Gasket (73).
3. Hub cap (72).
4. Washers (71) and bolts (70).

BEARING ADJUSTMENT

• Make sure the brakes are fully released and do not
drag.
• Check the wheel bearing play by grasping the tire at
the top and pulling and pushing back and forth, or by
using a pry bar under the tire. If the wheel bearings
are properly adjusted, movement of the hub or disc
will be barely noticeable. If the movement is exces­
sive, adjust the bearings.
Remove or Disconnect (Figures 34 and 36)
E
Tool Required:
J 25510 Wheel Bearing Nut Wrench
• Raise the vehicle until the wheel is free to spin.
1. Axle shaft (74). Refer to "Axle Shaft Replacement" in
this section.
2. Nut (90) using J 25510 (figure 36).
• Release the tang.
3. Lock washer (89).
70. Bolt
71. Washer
72. Hubcap
73. Gasket
74. Axle Shaft
75. Axle Housing
76. Bracket
77. Wheel Stud
78. Hex Bolt
79. Deflector
80. Oil Seal
81. Inner Bearing
82. Brake Disc
83. Retaining Ring
84. Outer Bearing
85. Spacer
86. Hub
87. Thrust Washer
88. Adjusting Nut
89. Lock Washer
90. Nut
L00374