Hummer H1 (2006+). Manual — part 249
8-12
Steering System
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8.
Raise the steering column to the mounting bracket. Insert the thru-bolt, three washers, lockwasher, and the locknut. Finger
tighten the locknut.
9.
Slide the intermediate shaft yoke onto the splines while carefully aligning the scribe marks. Insert the bolt and tighten the
locknut to 60 lb-ft (81 N•m).
10. Tighten the thru-bolt and the locknut to 31 lb-ft (42 N•m).
11. Tighten the pivot bolt and the locknuts to 10 lb-ft (14 N•m).
12. Install the steering wheel.
13. Install the close-out panel.
14. Operate the vehicle to verify the steering wheel alignment.
Figure 8-13: Steering Column Components
STEERING COLUMN MULTI-SWITCH REPLACEMENT
NOTE: This procedure covers the directional signal, horn, high beam, and hazard light switches.
Removal
1.
Remove the close-out panel.
2.
Remove the locknut, lockwasher, three washers, and the thru-bolt from the mounting bracket and loosen the pivot bolts. The
column will drop down as it pivots in the bracket (Figure 8-13).
3.
Remove the five screws and shroud (two halves) from the steering column.
4.
Disconnect the ground wires from the steering column.
5.
Remove the two screws and the multi-switch from the steering column (Figure 8-14).
6.
Remove the control handle from the multi-switch by pulling outward.
Installation
1.
Attach the control handle to the multi-switch (Figure 8-14).
2.
Secure the multi-switch to the steering column with the two screws.
3.
Connect the ground wires to the steering column.
7.
Secure the shroud (two halves) to the steering column with the five screws.
MOUNTING BRACKET
THRU-BOLT
SHROUD
IGNITION SWITCH
IGNITION SWITCH
SHROUD
MULTI-SWITCH
STEERING COLUMN
INTERMEDIATE SHAFT
60 lb-ft (81 N •m)
MULTI-SWITCH
10 lb-ft (14 N•m)
31 lb-ft (42 N•m)
CONNECTORS
CONNECTOR
LOCK CYLINDER
CONNECTOR
PIVOT BOLT
6-1-05
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Steering System 8-13
5745804
4.
Raise the steering column to the mounting bracket. Insert the thru-bolt, three washers, lockwasher and the locknut. tighten the
locknut to 10 lb-ft (14 N•m).
5.
Install the close-out panel.
Figure 8-14: Steering Column Multi-Switch Replacement
LOCK AND SWITCH HOUSING ASSEMBLY REPLACEMENT
Removal
1.
Disconnect the battery ground cable.
2.
Remove the close-out panel.
3.
Remove the locknut, lockwasher, three washers and the thru-bolt from the mounting bracket and loosen the pivot bolts. The
column will drop down as it pivots in the bracket (Figure 8-13).
4.
Remove the five screws and shroud (two halves) from the steering column.
5.
Disconnect the ground wires from the steering column
6.
Remove the two screws and the multi-switch from the steering column (Figure 8-14).
7.
Remove the screw and the interlock cable from the ignition switch.
8.
Remove the two bolts, the lock and switch housing assembly from the steering column.
Installation
1.
Apply thread-locking compound to the bolt threads and secure the lock and switch housing assembly on the steering column
with the two bolts.
2.
Secure the interlock cable to the ignition switch with the screw.
3.
Install the multi-switch.
4.
Connect the ground wires to the steering column.
5.
Secure the shroud (two halves) to the steering column with the five screws.
6.
Raise the steering column to the mounting bracket. Insert the thru-bolt, three washers, lockwasher and the locknut. Tighten the
locknut to 10 lb-ft (14 N•m).
7.
Install the close-out panel.
8.
Connect the battery ground cable.
9.
Verify that the ignition switch operates properly.
STEERING
CONTROL HANDLE
MULTI-SWITCH
COLUMN
LOCK
CYLINDER
HOUSING
6-1-05
8-14
Steering System
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STEERING COLUMN REPAIR
Lock and Switch Housing Assembly
Disassembly
NOTE: The key must stay in the ignition switch at all times.
1.
Remove the lock cylinder and key assembly from the lock cylinder housing (Figure 8-15).
2.
Remove the two screws securing the upper retainer plate to the lock cylinder housing. Remove the retainer plate, the upper
bearing assembly and upper bearing sleeve from the lock cylinder housing.
3.
Remove the two screws and the multi-switch assembly from the lock cylinder housing (Figure 8-14).
4.
Remove the two screws securing the ignition switch assembly to the lock cylinder housing. Remove the ignition switch
assembly (Figure 8-15).
5.
Remove the six stakes from the tube and bracket assembly (Figure 8-16).
6.
Remove the two screws and remove the lock cylinder housing from the tube and bracket assembly.
7.
Remove the retainer ring, shaft and bearing from the tube and bracket assembly.
Assembly
1.
Install the shaft, bearing and retainer ring into tube and bracket assembly (Figure 8-16).
2.
Secure the lock cylinder housing to the tube and bracket assembly with two screws. Tighten screws to 6-7 lb-ft (8.1-9.4 N•m).
3.
Stake the bearing securely in six (6) places(Figure 8-16).
4.
Secure the ignition switch assembly to the lock cylinder housing with two screws. Tighten screws to 35-40 lb-in. (3.9-4.5
N•m)(Figure 8-15).
5.
Secure the multi-switch assembly to the lock cylinder housing with two screws. Tighten screws to 35-40 lb-in. (3.9-4.5
N•m)(Figure 8-14).
6.
Install the upper bearing assembly and upper bearing sleeve in the lock cylinder housing (Figure 8-15).
7.
Install the retainer plate on the lock cylinder housing with two screws. Tighten screws to 35-40 lb-in. (3.9-4.5 N•m).
8.
Install the lock cylinder and key assembly in the lock cylinder housing assembly.
9.
Verify that ignition switch operates properly.
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Steering System 8-15
5745804
Figure 8-15: Lock and Switch Housing Components
Steering Column and Shaft
Disassembly
1.
Remove the two screws and the multi-switch assembly from the lock and switch housing (Figure 8-14).
2.
Remove the two screws, lock and the switch housing assembly from the steering column.
3.
Remove the six stakes from the tube and bracket assembly (Figure 8-16).
4.
Remove the shaft, retainer ring, and bearing from the tube and bracket assembly.
5.
Remove the retainer ring and the bearing from the shaft.
Figure 8-16: Steering Column and Shaft
IGNITION LOCK CYLINDER
COLUMN LOCK
COLUMN LOCK
STEERING COLUMN
UPPER BEARING
UPPER STEERING
BEARING RETAINER PLATE
GEAR RETAINER
FLAT BEARING
LOCK GEAR
SLEEVE
COLUMN BEARING
LOCK CYLINDER
HOUSING
ASSEMBLY
AND KEY ASSEMBLY
IGNITION SWITCH
ASSEMBLY
STEERING
STAKES
STEERING COLUMN
BEARING
RETAINER RING
COLUMN
TUBE AND BRACKET
ASSEMBLY
SHAFT
6-1-05
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