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

 

___________________________________________________________

 

 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