Front Suspension Rear Crossmember - Hummer H1 Service Manual

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Installation
1. Position left and right crossmember mounting brackets on
crossmember (Figure 9-145).
2. Install crossmember and mounting brackets on frame rails
with four washers, bolts, washers, and locknuts. Do not
tighten locknuts.
3. Install left and right mounting brackets on crossmember
with six washers, bolts, washers, and locknuts. Tighten
locknuts to 90 lb-ft (122 N•m).
4. Tighten mounting bracket-to-frame rail locknuts to 261 lb-
ft (354 N•m).
5. Secure harness to crossmember with clamp and bolt.
6. Install four washers, bolts, washers, locknuts, and two
splash shield brackets on frame rails. Tighten locknuts to
90 lb-ft (122 N•m) (Figure 9-144).
7. Secure front crossmember to support bracket with two
washers, bolts, washers, and nuts (Figure 9-142).
8. Install horn.
9. Install lower radiator hose.
10. Install radiator front mounting bracket.
11. Install front lower control arms.
FRAME RAIL
FRONT
CROSSMEMBER
Figure 9-145: Front Crossmember Replacement
05745159

FRONT SUSPENSION REAR CROSSMEMBER

REPLACEMENT
Removal
1.
2.
3.
4.
5.
6.
7.
8.
9.
CROSSMEMBER
MOUNTING BRACKET
WARNING: To avoid personal injury, support cross-
member during removal.
NOTE: Note direction of bolts for installation.
10. Remove four locknuts, washers, bolts, washers, and vent
11. Remove three locknuts, washers, bolts, washers, and vent
12. Remove bolt and washer securing rear crossmember to left
HARNESS
13. Remove six locknuts, washers, bolts, and washers sec-
14. Slide rear crossmember and mounting brackets down and
15. Remove mounting brackets from rear crossmember.
Axles, Suspension, and Frame
Remove radiator (Section 4).
Remove right front upper control arm.
Remove lower radiator tube.
Remove right front caliper-to-tee brake line.
Remove lower control arms.
Remove axle.
Remove axle support brackets and side mounting brackets.
Remove three bolts, lockwashers, and washers and pull
steering gear away from left frame rail (Figure 9-146).
Remove three bolts and clamps from two vent line
brackets and crossmember (Figure 9-147).
STEERING GEAR
Figure 9-146: Steering Gear and Left Frame Rail
Location
line bracket securing rear crossmember to right frame rail.
line bracket securing rear crossmember to left frame rail.
frame rail.
uring rear crossmember to left and right rear crossmember
mounting brackets.
out from under vehicle.
9-61
LEFT
FRAME
RAIL