Steering Column On-Vehicle Service P(42) Models; Standard Steering Column Replacement - GMC 1986 P-Truck Service Manual

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Assemble (Figures 44 and 45)
Tools Required:
J-23073-01 Shift Tube Installer
• Apply a thin coat of lithium grease to all friction
surfaces.
1. Dash panes seal.
• Press a new shift lever spring into the shift lever
housing (Column Shift Models).
2. Shift lever housing. Slide the housing over the
upper end of the column.
3. Washer (240) and lock plate (239).
• Apply lithium grease to the lock plate and
the upper end of the shift tube.
4. Shift tube (249) and seal (248) into the lower end
of the column. Do not hammer or force the shift
tube.
• Align the keyway in the shift tube with the
key in the shift lever housing and install the
shift tube using J-23073-01 (figure 38).
STEERING COLUMN ON-VEHICLE SERVICE
STANDARD STEERING COLUMN
REPLACEMENT
Remove or Disconnect (Figure 40)
1. Battery ground cable.
2. Transmission control linkage from the column
shift tube levers (Column Shift Models).
3. Upper universal jo in t pinch bolt from the
intermediate shaft. Mark the relationship of the
universal yoke to the steering shaft.
4. Nut (282), bolt (280) and clamp (281). Slide the
clamp down the column.
5. Screws (277) from the cover (278) and seal (279).
Slide the cover and seal up the column.
6. S teering wheel. Refer to " Steering Wheel
Replacement" in this section.
7. Turn signal wiring harness.
• On an automatic transmission, disconnect
the conductor tube at the instrument panel.
8. Bolts (275) and clamp (276) from the column
support bracket.
9. Bolt, nut and outer brace (283) from the column
support bracket (P200 + 300 (42) models).
10. Steering column assembly.
• Lower and then w ithdraw the column
assembly. Rotate the column so the shift
lever cle a rs the dash and toe panel
assembly.
Neutral-safety or back-up lamp switch and
5.
screws. Refer to SEC. 8B (CHASSIS ELECTRI­
CAL) in this manual.
6. Washer (238) and retaining ring (237). Pull up on
the shift lever housing when installing the washer
and retaining ring.
7. Steering shaft assembly and bearing housing as­
sembly. Refer to " Tilt Steering Column Bearing
Housing Replacement" in this section.
-►*- Install or Connect
Steering column assembly. Refer to " Tilt Steering
Column Replacement" in this section.
P(42) MODELS
Install or Connect (Figure 49)
NOTICE: For steps 2, 3, 4 and 9 see " Notice "
on page 3B4#7.
1. Adjust the lower bearing preload. Refer to
" Steering Column Lower Bearing Adjustment" in
this section.
2. Lower end of the steering column through the toe
panel opening.
• Guide the steering shaft into the universal yoke,
lining up the marks made at removal.
• Upper universal pinch bolt. The pinch bolt must
pass through the shaft undercut.
3. Clamp (281), bolt (280) and nut (282). Position the
clamp as shown in figure 49.
4. Clamp (276) and bolt (275).
STEERING COLUMN 3B4-41
• The shift lever housing key must bottom in
the shift tube slot.
• Seat the retaining ring in both slots in the
shift tube.
Tighten
• Pinch bolt to " Specifications" at the end of
this section.
• Align the seal (279) and cover (278) with the
floor and dash panel assembly.
• Align the column support bracket protrusion
with the index slot in the steering column.
Tighten
• Nut to 15 N m (11 ft. lbs.).