Chevrolet 1980 Light Duty Truck Service Manual page 262

3B 4-48 STEERING CO LUM NS
3B4-84--Rem oving Lock Plate A ssem bly
Fi g.
C O LUM N INSTALLATION
M andatory Installation Sequence G Series
See NOTICE on page 1 of this section
NOTICE:
regarding the fasteners referred to in steps 3 and 10.
1. Adjust the column lower bearing preload by
applying a force on the steering wheel end of the steering
shaft (A). Position the spring and clamp to maintain the
dimension as detailed
Adjustments.
2. Install the plastic spacers onto the flexible coupling
alignment pins.
3. From inside the vehicle, carefully insert the lower
end of the column through the toe pan opening guiding the
steering shaft flange onto the flexible coupling. Install and
torque the glange to coupling bolts.
4. Locate the index slot in the column jacket with the
protrusion on the clutch and brake pedal support.
Fig. 3 B 4 -8 5 -ln s ta llin g S h ift Pin Tube
under "Maintenance and
5. Loosely install the column dash bracket and screws.
6. Push the column down until the steering shaft
flange bottoms on the plastic spacers on the flexible coupling
and then torque the dash bracket screws.
7. Remove the plastic spacer from the alignment pins
using a wire hook. Check the flexible coupling to steering
shaft flange clearance (.25" to .325"), if not within
specifications, the dash bracket screws must be loosened and
the column raised or lowered as required. Retorque the
bracket screws.
The alignment pin plastic spacers must be removed
before the vehicle can be driven.
8. Push the toe pan seal to the toe pan, install and
torque the mounting screws.
9. All Columns-Connect the directional signal switch
wiring harness.
Automatic Columns-Connect the conductor tube (for
transmission indicator) to the instrument panel. See Fig.
3B4-87.
10. Install the steering wheel as outlined under
"Steering Wheel Installation".
11. Connect the transmission linkage.
12. Connect the battery ground cable.
M andatory Sequence P Series
See NOTICE note on page 1 of this section
NOTICE:
regarding the fasteners referred to in steps 1, 2, 3 and
10
.
1. Applying 50 lbs. force on the steering wheel end of
the steering shaft, adjust the lower bearing preload to allow
steering shaft end play as indicated in "Maintenance and
Adjustments". Tighten the shaft clamp on pot joint bolt to
specifications.
2. From the passenger side of the dash panel, carefully
insert the 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. Install the yoke pinch bolt
and torque to specifications. The pinch bolt must pass
through the shaft undercut.
3. Position and attach the lower clamp mounting
bracket to the firewall. Locate the steering column
protrussions against the toe pan bracket while at the same
time, aligning protrusion in brake and clutch pedal support
with index slot in the steering column, as shown in Figure
3B4-87. Install the column to bracket clamp and torque the
clamp bolt to specifications. The toe pan bracket must not
override the protrusions on the steering column.
4. Position the steering column to dhas panel bracket,
install the attaching bolts and torque to specifications.
5. If plastic spacers were used on the flexible coupling
alignment pins, remove the spacers after all bolts have been
properly torqued.
6. Install the seal at the toe pan and then install the
toe pan bracket screws; torque to specifications.
7. Install the dash panel trim plate (if so equipped).
8. Connect the transmission shift linkage on column
shift models.
LIG H T T R U C K S ER V IC E M AN UAL