Standard Steering Column Unit Repair (R/V And G-Models) - GMC G Service Manual

STANDARD STEERING COLUMN UNIT REPAIR
H Remove or Disconnect
• Steering column assembly. Refer to R/V or G-Model
"Steering Column Replacement" in this section.
Disassemble (Figures 17 through 25)
1. Dash panel bracket and screws from the column.
2. Clamp the steering column in a vise.
• Clamp at the lower end of the jacket.
3. Steering wheel. Refer to "Steering Wheel Replace­
ment" in this section.
4. Turn signal switch. Refer to "Turn Signal Switch
Replacement" in this section.
5. Lock cylinder. Refer to "Lock Cylinder Replacement"
in this section.
6. Tone alarm switch, if it needs to be serviced. Refer to
"Tone Alarm Switch Replacement" in this section.
IT]
Important
• The buzzer switch does not have to be removed
to remove the upper bearing housing.
7. Ignition switch. Refer to "Ignition Switch Replace­
ment" in this section.
8. Shift lever pivot pin and lever (Column Shift models.)
9. Upper bearing washer (32).
10. Screws (35) attaching the turn signal and ignition lock
housing.
11. Housing assembly (figure 23).
(R/V AND G-MODELS)
STEERING COLUMN 3B4-19
12. Bushing (43) and retainer (45) from the lower side of
the housing.
13. Ignition switch actuating rod, rack assembly (49), rack
preload spring (48), shaft lock bolt (47) and spring
assembly from the housing.
14. Shift lever gate (52).
15. Ignition switch actuator sector through the lock cylin­
der hole by pushing firmly on the block tooth of the
sector with a blunt punch or screwdriver (figure 24).
16. Gear shift lever housing (57) and shroud (59) from the
jacket assembly (62).
• On floor shift models remove the transmission
control lock tube housing and shroud.
17. Shift lever spring (56) from the gear shift lever
housing.
• On floor shift models remove the lock tube
spring.
18. Steering shaft from the lower end of the jacket
assembly.
19. Back-up switch or neutral-safety switch. Refer to
CHASSIS ELECTRICAL (SEC. 8B).
20. Lower bearing retaining clip (figure 25).
• Automatic and Floorshift Columns:
• Remove the lower bearing reinforcement, bear­
ing adapter assembly, shift tube spring and
washer. The lower bearing may be removed
from the adapter by light pressure on the bear­
ing outer race.
• Slide out the shift tube assembly.