Tilt Steering Column Unit Repair (P30 Motorhome Models) - GMC G Service Manual

3B4-42 STEERING COLUMN
Clamp (262), bolt (261) and nut (263). The bolt must
4.
pass through the shaft undercut.
Tighten
• Bolt to 14 N*m (10 ft. lbs.).
5. Bearing housing (219) assembly.
• Press the new upper and lower bearing races
into the bearing housing.
• Lubricate and install the bearings into the bear­
ing races.
• Place the shoe springs in position in the hous­
ing. Install each shoe in place and compress the
spring in position. Once the shoes are in place,
drive in the shoe retaining pin (226).
• Install the shoe release lever (229), spring (227)
and pivot pin (228).
• Install the tilt release lever.
• Lubricate the shoes and release lever.
6. Bearing housing assembly to the support (233).
• Hold the tilt release lever in the "up" position
until the shoes have fully engaged the support.
TILT STEERING COLUMN UNIT REPAIR
(P30 MOTORHOME MODELS)
H
Remove or Disconnect
• Steering column assembly. Refer to "Tilt Steering
Column Replacement" in this section.
HSH Disassemble (Figures 43 and 44)
Tool Required:
J 23072 Shift Tube Remover
1. Clamp the steering column in a vise.
• Clamp at the lower end of the jacket.
2. Intermediate shaft assembly (270) with the universal
joint (pot joint) from the steering column shaft.
3. Bearing retainer clip (245) and reinforcement (246).
4. Bearing (251) and adapter (250).
5. Bearing housing assembly and steering shaft assem­
bly. Refer to "Tilt Steering Column Bearing Housing
Replacement" in this section.
• If the shift tube index plate must be removed, remove
the two retaining screws and plate (Column Shift
models.)
6. Shift tube retaining ring (237) and washer (238).
7. Neutral-safety or back-up lamp switch screws and
switch. Refer to CHASSIS ELECTRICAL (SEC. 8B).
8. Shift tube (249) assembly using J 23072. Do not ham­
mer or pull on the shift tube during removal (figure
34).
• Lubricate and install the bearing housing pivot
pins (221). Press the pins in flush with the
housing.
• Place the housing in the "up" position.
7. Spring (232) and retainer (230). Push the retainer into
the housing about 5 mm (3/16-inch) and rotate coun­
terclockwise 1/8 turn.
• Lubricate the upper bearing race (255), seat (254)
and nut (253).
8. Race (255), seat (254) and nut (253).
• Remove the tilt release lever.
9. Turn signal switch. Refer to "Turn Signal Switch
Replacement" in this section.
10. Shift lever and pivot pin (Column Shift models.)
11. Steering Wheel. Refer to "Steering Wheel Replace­
ment" in this section.
12. Tilt release lever.
I P I Inspect
• Electrical and mechanical functioning of the steering
column.
• Insert the hooked end of the tool into the notch
in the shift tube just below the shift lever hous­
ing key. Pilot the sleeve over the threaded end
of the tool and into the upper end of the shift
tube. Force the shift tube out of the housing by
turning the nut onto the tool. If the shift tube is
not completely free when the nut is bottomed on
the threads, complete the removal by hand.
• On column shift models, guide the lower shift
lever through the slotted opening in the column
to prevent damage to the tube or column.
9. Lock plate (239) and washer (240). Tip the lock plate
downward toward the housing, then remove.
10. Shift lever housing.
• Remove the shift lever spring by winding the spring
up with pliers (Column Shift models).
11. Dash panel seal from the column jacket.
K H Assemble (Figures 43 and 44)
Tool Required:
J 23073-01 Shift Tube Installer
• Apply a thin coat of lithium grease to all friction
surfaces.
1. Dash panel seal.
• Press a new shift lever spring into the shift lever hous­
ing (Column Shift Models).