Hummer H1 Service Manual page 557

9-20 Axles, Suspension, and Frame
CLAMPNUT
SOCKET
SBAS-07M
CLAMPNUT
Figure 9-42: Clampnut Installation
11. Loosen and retighten clampnut to 25 lb-ft (34 N•m).
NOTE: Ensure clampnut does not move while clampnut lock
screw is being tightened.
12. Using a hexagon-head socket and pre-set calibrated torque
wrench, tighten clampnut lock screw to 90 lb-in. (10
N•m).
13. Mark a temporary line across end of spindle and clampnut.
NOTE: Using a feeler gauge, ensure a gap exists between
clampnut gap surfaces. If no gap exists, remove and discard
clampnut lock screw and clampnut. Acquire new screw and nut
and repeat steps 6-12.
14. Using pre-set torque wrench, apply pressure to clampnut
in counterclockwise direction until torque wrench clicks,
indicating 90 lb-ft (122 N•m) of loosening torque was
applied to clampnut.
NOTE: Clampnut should not move. To verify no movement
occurred, check temporary mark across spindle and clampnut.
If clampnut moved, remove and discard clampnut lock screw
and clampnut. Repeat steps 6-13 with new screw and nut.
15. Paint or scribe a permanent line across end of spindle and
clampnut.
NOTE: Immediately install steering arm cover after applica-
tion of sealant.
16. Clean sealing surfaces on geared hub and steering arm
cover. Apply anaerobic sealant to steering arm cover and
install on geared hub (Figure 9-43).
CLAMPNUT
LOCK SCREW
GEARED
HUB
GAP
KEYED
WASHER
_________________________________________
Figure 9-43: Steering Arm Cover Installation
NOTE: Thoroughly clean old Loctite before applying fresh
Loctite.
17. Apply thread-locking compound to bolt threads and secure
steering arm cover to geared hub with four washers and
bolts. Tighten bolts to 65 lb-ft (88 N•m).
18. Remove fill plug and washer from geared hub
(Figure 9-40).
19. Fill geared hub to proper oil level (Section 1).
20. Secure washer and fill plug to geared hub. Tighten fill
plug to 8-13 lb-ft (11-18 N•m).
GEARED HUB
STEERING ARM
COVER
®