Hummer H1 (2002+). Manual — part 124
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Steering System 8-3
®
05745159
CENTER LINK REPLACEMENT
Removal
1.
Raise and support the front of the vehicle.
2.
Remove the cotter pin and the slotted nut securing the
pitman arm to the center link (Figure 8-3).
3.
Remove the cotter pin and the slotted nut securing the
idler arm to the center link.
4.
Loosen, but do not remove, the bolts and locknuts
securing the idler arm to the frame.
5.
Remove the two cotter pins and slotted nuts securing the
right and left tie rods to the center link.
6.
Using puller J–24319–B or equivalent, remove the center link
from both tie rods, the idler arm and the pitman arm.
Installation
1.
Secure the center link to the pitman arm and the idler arm
with two slotted nuts and tighten to 80 lb-ft (108 N•m).
2.
Install a cotter pin in each slotted nut. If necessary, tighten
the slotted nuts to align the holes for cotter pin insertion.
DO NOT back off the slotted nuts to align the cotter pin
holes.
3.
Secure the right and left tie rods to the center link with two
slotted nuts and tighten to 70 lb-ft (95 N•m).
4.
Install a cotter pin in each slotted nut. If necessary, tighten
the slotted nuts to align the holes for cotter pin insertion.
DO NOT back off the slotted nuts to align the cotter pin
holes.
5.
Place the front wheels in the straight ahead position and
tighten the idler arm to frame bolts and locknuts to 60 lb-ft
(81 N•m).
6.
Lower the vehicle.
Figure 8-3: Center Link Removal
STEERING (PITMAN) ARM
CENTER LINK
TIE ROD
IDLER ARM
TIE ROD
TONE WHEEL
4-1-00
8-4
Steering System
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®
TIE ROD END REPLACEMENT
Removal
1.
Raise and support the front of the vehicle.
2.
Remove the cotter pin and slotted nut from the geared hub
end of the tie rod (Figure 8-4).
3.
Using puller J–24319–B, remove the tie rod end from the
the geared hub.
Disassembly
1.
Loosen the locknut on the clamp securing the tie rod end
to the adjusting sleeve.
NOTE:
Note: Count the number of turns required to remove
the tie rod end from the adjusting sleeve.
2.
Remove the tie rod end from the adjusting sleeve.
Assembly
1.
Apply anti-seize compound to the threads in the adjusting
sleeve.
2.
Thread the tie rod end into the adjusting sleeve, turning the
same number of revolutions that were required for
removal.
Installation
1.
Secure the tie rod to the geared hub with the washer and
slotted nut. Tighten the slotted nut to 70 lb-ft (95 N•m).
2.
Install a cotter pin in the slotted nut. If necessary, tighten
the slotted nut to align the holes for cotter pin insertion.
DO NOT back off the slotted nut to align the cotter pin
holes.
CAUTION:
Ensure that the outboard clamp faces the halfshaft
and the inboard clamp faces away from the stabilizer bar
(front only) or damage to equipment may result.
3.
Before final tightening of the sleeve clamp hardware,
center both tie rod end studs in their sockets (Figure 8-5).
CAUTION:
If the stud and socket are not properly aligned, a
partial or complete lockout of stud swing could result. Limiting
stud swing can increase component wear and a complete lock-
out can cause component damage.
4.
Lubricate tie rod ends.
Figure 8-4: Tie Rod End Removal
Figure 8-5: Tie Rod End Stud and Socket Orientation
HALFSHAFT
TIE ROD END
GEARED HUB
ADJUSTING
SLEEVE
00-S08-002
CORRECT STUD
ORIENTATION
ALLOWS ROTATION DURING
SUSPENSION TRAVEL-NO BIND
WILL NOT ALLOW ROTATION
DURING SUSPENSION TRAVEL
STUD SWING
LOCKOUT
4-1-00
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Steering System 8-5
®
05745159
TIE ROD REPLACEMENT
Removal
1.
Raise and support the front of the vehicle.
2.
Remove the cotter pins and slotted nuts from the center
link end and the geared hub end of the tie rod (Figure 8-6).
3.
Using puller J–24319–B, remove the tie rod from the
center link and the geared hub.
Figure 8-6: Tie Rod Removal
Disassembly
1.
Loosen two locknuts and clamps securing the tie rod ends
to the adjusting sleeve (Figure 8-7).
NOTE:
Note: Count the number of turns required to remove
each tie rod end from the adjusting sleeve.
2.
Remove both tie rod ends from the adjusting sleeve.
Figure 8-7: Tie Rod Component Parts
Assembly
1.
Apply anti-seize compound to the threads in the adjusting
sleeve.
2.
Thread two tie rod ends into the adjusting sleeve, turning
them the same number of revolutions that were required
for removal.
Installation
1.
Secure the tie rod to the center link with the slotted nut and
tighten to 70 lb-ft (95 N•m).
2.
Secure the tie rod to the geared hub with the washer and
slotted nut. Tighten the slotted nut to 70 lb-ft (95 N•m).
3.
Install a cotter pin in each slotted nut. If necessary, tighten
the slotted nuts to align the holes for cotter pin insertion.
DO NOT back off the slotted nuts to align the cotter pin
holes.
CAUTION:
Ensure that the outboard clamp faces the half-
shaft and the inboard clamp faces away from the stabilizer bar
(front only) or damage to equipment may result.
4.
Before final tightening of the sleeve clamp hardware,
center both tie rod end studs in their sockets (Figure 8-5).
CAUTION:
If the stud and socket are not properly aligned, a
partial or complete lockout of stud swing could result. Limiting
stud swing can increase component wear and a complete lock-
out can cause component damage.
5.
Lubricate tie rod ends.
6.
Lower vehicle and align toe-in.
CAUTION:
The sleeve clamps must be positioned between 3/
16" and 5/16" from the end of the sleeve and the bolt and nut
tightened to 30 lb-ft (41 N•m).
7.
Align the sleeve clamps and tighten the bolt and nut
assemblies to 30 lb-ft (41 N•m) (Figure 8-8).
Figure 8-8: Tie Rod Sleeve Clamp Position
TIE ROD
HALFSHAFT
GEARED
CENTER LINK
STABILIZER BAR
HUB
ASSEMBLY
TIE ROD END
ADJUSTING SLEEVE
TIE ROD END
3/16"-5/16"
4-1-00
8-6
Steering System
___________________________________________________________
®
IDLER ARM REPLACEMENT
Removal
1.
Raise and support the front of the vehicle.
2.
Remove the cotter pin and the slotted nut securing the
idler arm to the center link (Figure 8-9).
3.
Using puller J–24319–B or equivalent, disconnect the
idler arm from the center link.
4.
Remove the bolts, washers and locknuts securing the idler
arm to the frame and remove the idler arm.
Figure 8-9: Idler Arm Removal
Installation
1.
Position the idler arm in the center link and loosely install
the bolts, washers and nuts through the frame and idler
arm.
2.
Secure the idler arm to center link with the slotted nut and
tighten to 80 lb-ft (108 N•m).
3.
Install the cotter pin through the slotted nut. If necessary,
tighten the slotted nut to align the holes for cotter pin
insertion. DO NOT back off the slotted nut to align the
holes.
4.
Place the front wheels in the straight ahead position and
tighten the idler arm to frame bolts and locknuts to 60 lb-ft
(81 N•m).
5.
Lubricate the idler arm and lower the vehicle.
STEERING WHEEL REPLACEMENT
NOTE:
Ensure front wheels are in a straight ahead position.
Removal
1.
Gain access to nut by removing three screws that hold
front cover to rear cover (Figure 8-10).
2.
Remove nut securing steering wheel to shaft.
3.
Remove steering wheel from shaft with a puller.
Installation
1.
Align splines on steering wheel with splines on shaft.
2.
Secure steering wheel to shaft with nut. Tighten nut to
35 lb-ft (47 N•m).
3.
Secure front cover to rear cover.
4.
Operate vehicle and verify steering wheel alignment.
Figure 8-10: Steering Wheel Removal
CENTER LINK
FRAME
IDLER ARM
SHAFT
FRONT COVER
STEERING WHEEL
REAR COVER
4-1-00
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