Hummer H1 Service Manual page 585

9-48 Axles, Suspension, and Frame
LEFT AIRLIFT BRACKET AND FRONT UPPER
CONTROL ARM BRACKETS REPLACEMENT
Removal
1. Remove left engine splash shield (Section 10).
2. Raise and support front of vehicle.
3. Remove three screws and clamps securing harness to
airlift bracket (Figure 9-121).
4. Remove two locknuts, washers, and bolts securing
radiator support to airlift bracket.
WARNING: To avoid personal injury or equipment
damage, support lower control arm during removal and
installation.
5. Remove two locknuts, washers, bolts, washers, and upper
control arm from two control arm brackets.
NOTE: Note direction of bolts for installation.
6. Remove eight locknuts, washers, bolts, washers, two
control arm brackets and shim(s) from airlift bracket.
7. Remove two bolts, washers, and airlift bracket from frame
rail.
RADIATOR
SUPPORT
Figure 9-121: Left Airlift Bracket and Front Upper Control Arm Bracket Replacement
FRAME RAIL
SHIM(S)
CONTROL ARM
_________________________________________
Installation
1. Install airlift bracket, shim(s) and two control arm brackets
on frame rail with eight washers, bolts, washers, and lock-
nuts. Tighten locknuts to 90 lb-ft (122 N•m) (Figure 9-121).
2. Apply thread-locking compound to two bolt holes and
secure airlift bracket and control arm brackets to frame rail
with two washers and bolts. Tighten bolts to 90 lb-ft (122
N•m).
3. Install upper control arm on control arm brackets with cam
washers, bolts, washers, and locknuts. Tighten locknuts to
260 lb-ft (353 N•m).
4. Secure radiator support to airlift bracket with two bolts,
washers, and locknuts. Tighten locknuts to 37 lb-ft (50
N•m).
5. Secure harness to airlift bracket with three clamps and
screws.
6. Lower front of vehicle.
7. Install left engine splash shield.
AIRLIFT BRACKET
BRACKET
HARNESS
UPPER CONTROL ARM
®