Steering Column Repair - Hummer H1 Service Manual

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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 8-14).
2. Remove 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 two screws and the multi-switch assembly from
the lock cylinder housing (Figure 8-12).
4. Remove two screws securing the ignition switch assembly
to the lock cylinder housing. Remove the ignition switch
assembly (Figure 8-14).
5. Remove six stakes from the tube and bracket assembly
(Figure 8-15).
6. Remove two screws and remove the lock cylinder housing
from the tube and bracket assembly.
UPPER STEERING
COLUMN BEARING
ASSEMBLY
BEARING RETAINER PLATE
05745159
LOCK CYLINDER
HOUSING
STEERING COLUMN
LOCK GEAR
COLUMN LOCK
UPPER BEARING
FLAT BEARING
SLEEVE
IGNITION LOCK CYLINDER
AND KEY ASSEMBLY
Figure 8-14: Lock and Switch Housing Components
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 8-15).
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 bearing securely in six (6) places (Figure 8-15).
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 8-14).
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 8-12).
6. Install the upper bearing assembly and upper bearing
sleeve in the lock cylinder housing (Figure 8-14).
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.
COLUMN LOCK
GEAR RETAINER
Steering System
IGNITION SWITCH
ASSEMBLY
8-9
4-1-00