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

3B4-28 STEERING COLUMN
TILT STEERING COLUMN UNIT REPAIR
M Remove or Disconnect
• Steering column assembly. Refer to "R/V or G-Model
Steering Column Replacement" in this section.
Disassemble (Figures 29 through 36)
Tools Required:
J 22635 Lock Shoe and Release Lever Pin
Remover and Installer
J 21854-01 Pivot Pin Remover
J 23072 Shift Tube Remover
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. Turn signal switch (130). Refer to "Turn Signal Switch
Replacement" in this section.
4. Lock cylinder (137). Refer to "Lock Cylinder Replace­
ment" in this section.
5. Tone alarm switch (134), if it needs to be serviced.
Refer to "Tone Alarm Switch Replacement" in this
section.
I ? | Important
• The tone alarm switch does not have to be
removed to remove the upper bearing housing.
6. Ignition switch (188). Refer to "Ignition Switch
Replacement" in this section.
7. Tilt release lever.
8. Shift lever pivot pin and lever.
(R/V AND G-MODELS)
9. Housing cover screws (133) and housing cover (138).
• Install the tilt release lever and place the column in
the fully "up" position.
10. Tilt lever spring retainer (145), spring (146) and guide
(147). Use a screwdriver to turn the retainer until it
aligns with the grooves in the housing, then remove
the retainer.
11. Pot joint to steering shaft clamp bolt and remove the
intermediate shaft and pot joint assembly (R/V
Model).
12. Upper bearing inner race (132) and seat (131). Push
the upper steering shaft (168) in enough to remove
the race and seat.
13. Lower bearing retainer clip (198).
14. Bearing reinforcement (197), bearing (196) and bear­
ing adapter assembly (195) from the lower end of the
mast jacket (192).
15. Upper bearing housing pivot pins (156). Use
J 21854-01 (figure 33).
• Install the tilt release lever and disengage the lock
shoes (152 and 153).
16. Bearing housing (159) by pulling upward to extend
the rack full down, then moving the housing to the left
to disengage the ignition switch rack (166) from the
actuator rod (167).
17. Steering shaft assembly from the upper end of the
column.