Hummer H1 Service Manual page 544

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CONTROL ARM BUSHING REPLACEMENT
Removal
NOTE: Control arm bushings must be replaced as a set
(Figure 9-11).
1. Remove control arm.
2. Support control arm and press bushing out of control arm.
Installation
1. Lubricate outside diameter of bushing with grease.
2. Insert bushing in control arm (Figure 9-11).
3. Support control arm and press bushing into control arm
until flange on bushing seats on control arm.
4. Install control arm.
5. Adjust caster and camber.
CONTROL ARM
Figure 9-11: Control Arm Bushing Replacement
05745159
Axles, Suspension, and Frame
LOWER CONTROL ARM REPLACEMENT
NOTE: The procedure for removing and installing the front
and rear lower control arms is basically the same. This proce-
dure covers the left front lower control arm.
Removal
WARNING: Lower control arm must be supported dur-
ing removal and installation. Failure to support lower
control arm may cause personal injury or damage to
equipment.
1. Remove wheel (Section 6).
2. Remove shock absorber.
3. Remove bolt, two washers, and bar link (front only) from
lower control arm (Figure 9-12).
4. Remove four locknuts, bolts, and eight washers from
lower ball joint and lower control arm (Figure 9-13).
FLANGE
5. Raise and support lower control arm. Remove lower ball
joint from arm.
6. Lower the lower control arm and remove coil spring.
7. Remove two locknuts, washers, bolts, and lower control
arm from brackets.
NOTE: Removing the lower ball joint from the geared hub
will ease installation.
BUSHING
8. Remove cotter pin and slotted nut from lower ball joint.
9. Separate lower ball joint from geared hub using ball joint
remover. Remove lower ball joint.
BAR LINK
LOWER CONTROL ARM
Figure 9-12: Bar Link Replacement
9-7