Hummer H1 Service Manual page 543

9-6 Axles, Suspension, and Frame
Installation
1. Install upper control arm on brackets with two washers,
eccentrics, bolts, and locknuts. Align reference holes
(from removal step 8) on eccentrics with marks on brack-
ets. Do not tighten locknuts (Figure 9-10).
2. Secure upper ball joint to upper control arm with four
washers, bolts, and locknuts. Tighten locknuts to 37 lb-ft
(50 N•m).
CAUTION: Do not loosen slotted nut to install cotter pin. Do-
ing this may result in damage to equipment.
NOTE: When slotted nuts are tightened to prescribed torque
values, cotter pins must have a minimum of 50% engagement
with the nut slots.
GEARED
HUB
PIVOT BOLT
UPPER
BALL
JOINT
UPPER
CONTROL
ARM
Figure 9-10: Upper Control Arm Assembly Replacement
___________________________________________
3. Install upper ball joint on geared hub with slotted nut.
Using crowfoot and adapter, tighten slotted nut to 65 lb-ft
(88 N•m). Install cotter pin in slotted nut.
4. Tighten locknuts on brackets to 260 lb-ft (359 N•m).
5. Install p-clamp, vent line and speed sensor lead on upper
control arm with bolt.
6. Connect vent line to fitting (Figure 9-9).
7. Install speed sensor in sensor bracket.
8. Secure vent line/speed sensor bracket to geared hub with
clamp, washer, and bolt. Tighten bolt to 37 lb-ft (50 N•m).
9. Install wheel (Section 6).
ECCENTRIC
SENSOR
FLAT
WASHER
PIVOT
BOLT
UPPER
CONTROL ARM
BRACKET
ECCENTRIC
REFERENCE
VENT LINE
SPEED SENSOR
P-CLAMP
SPEED
LEAD
VENT LINE
®
NUT
HOLE