Hummer H1 (2006+). Manual — part 280
9-98 Axles, Suspension and Frame
__________________________________________
Figure 9-147: Right Intermediate Body Mount Bracket Replacement
Installation
1.
Apply thread-locking compound to the three bolts and install the body mount bracket on the frame rail with the three washers
and the bolts. Tighten the bolts to 90 lb-ft. (122 N•m) (Figure 9-147).
2.
Install the right intermediate body mount (Refer to section 10).
Left Intermediate Body Mount Bracket Replacement
Removal
1.
Remove the left intermediate body mount (Refer to section 10).
2.
Remove the tailpipe hanger (Refer to section 11).
3.
Remove the three locknuts, washers and the body mount bracket from the frame rail (Figure 9-148).
Installation
1.
Install the body mount bracket on the three bolts and the frame rail with the three washers and the locknuts. Tighten the lock-
nuts to 90 lb-ft. (122 N•m) (Figure 9-148).
2.
Install the tailpipe hanger (Refer to section 11).
3.
Install the left intermediate body mount (Refer to section 10).
BODY
SPACER
SLEEVE
UPPER
CUSHION
BODY
MOUNT
BRACKET
FRAME
RAIL
LOWER
CUSHION
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Axles, Suspension and Frame 9-99
Figure 9-148: Left Intermediate Body Mount Bracket Replacement
Rear-Rear Tie Down Bracket Replacement
Removal
Remove the two locknuts, washers, bolts, washers and the tie-down bracket from the frame rail (Figure 9-149).
Installation
Install the tie down bracket on the frame rail with the two washers, bolts, washers and the locknuts. Tighten the locknuts to 261 lb-
ft. (354 N•m) (Figure 9-149).
Figure 9-149: Tie Down Bracket Replacement
Rear Upper Control Arm Bracket Replacement
NOTE: The procedure for removing and installing the four rear upper control arm brackets is basically the same. This procedure
covers the right rear upper control arm front bracket.
BODY
SPACER
SLEEVE
UPPER
CUSHION
LOWER
CUSHION
FRAME
RAIL
BODY
MOUNT
BRACKET
TIE DOWN
FRAME RAIL
BRACKET
9-100 Axles, Suspension and Frame
_________________________________________
Removal
1.
Remove the wheel.
2.
Remove the bolt, clamp and the vent line from the bracket, and disconnect the vent line from the fitting (Figure 9-150).
3.
Remove the two locknuts, washers, bolts, washers and the upper control arm from the two control arm brackets (Figure
9-151).
4.
Remove the four locknuts, washers, bolts, washers, vent line mounting bracket and the control arm bracket from the frame rail.
Figure 9-150: Rear Geared Hub Vent Line Location
Installation
1.
Install the control arm bracket and the vent line mounting bracket on the frame rail with the four washers, bolts, washers and
the locknuts. Tighten the locknuts to 172 lb-ft. (233 N•m) (Figure 9-151).
2.
Attach the upper control arm to the two upper control arm brackets with the washers, bolts, washers and the locknuts. Tighten
the locknuts to 260 lb-ft. (353 N•m).
3.
Connect the vent line to the fitting and secure the clamp and the vent line to the bracket with the bolt (Figure 9-150).
4.
Install the wheel.
Figure 9-151: Rear Upper Control Arm Bracket Replacement
BRACKET
FITTING
GEARED HUB
VENT
LINE
VENT LINE
FRAME RAIL
CONTROL
UPPER CONTROL ARM
ARM
BRACKET
MOUNTING
BRACKET
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Axles, Suspension and Frame 9-101
Rear-Front Tie down Bracket Replacement
Removal
1.
Remove the wheel (Refer to section 6).
2.
Remove the four locknuts, washers, bolts, washers and the tie down bracket from the frame rail (Figure 9-152).
3.
Remove the two locknuts, washers, bolts, washers, vent tube/speed sensor lead mounting bracket and the tie down bracket
from the rear suspension front crossmember mounting bracket.
Figure 9-152: Rear-Front Tie Down Bracket Replacement
Installation
1.
Install the tie down bracket and the vent tube mounting bracket on the rear suspension front crossmember mounting bracket
with the two washers, bolts, washers and the locknuts. Tighten the locknuts to 90 lb-ft. (122 N•m) (Figure 9-152).
2.
Install the tie down bracket on the frame rail with the four washers, bolts, washers and the locknuts. Tighten the locknuts to
261 lb-ft. (354 N•m).
3.
Install the wheel.
Axle Support/Brake Adapter Bracket Replacement
Removal
NOTE: Only remove one support bracket at a time to maintain rear support of the axle assembly.
1.
Remove the brake caliper and the rotor (Refer to section 7).
2.
Remove the locknut, seal washer and the output flange from the output shaft. Discard the seal washer (Figure 9-153).
3.
Remove the four side bolts and the lower support bolt and remove the axle support/brake adapter from the axle assembly.
TIE DOWN BRACKET
FRAME RAIL
CROSSMEMBER
MOUNTING
BRACKET
VENT TUBE
SPEED SENSOR LEAD
BRACKET
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