Chevrolet 10 1971 Series Chassis Service Manual page 348

STEERING 9-8
the flat on the shaft. Push the coupling onto the
shaft until the wormshaft bottoms on the coupling
reinforcement. Install the pinch bolt and torque
to specifications.
The coupling bolt must pass through
N O T E :
the shaft undercut.
b. Place the steering gear in position, guiding the
coupling bolt into the steering shaft flange.
c. Install the steering gear to frame bolts and
torque to specifications.
d. If flexible coupling alignment pin plastic spacers
were used, make sure they are bottomed on the
pins, tighten the flange bolt nuts to specifications
and then remove the plastic spacers (fig. 10).
e. If flexible coupling alignment pin plastic spacers
were not used, center the pins in the slots in the
steering shaft flange and then install and torque
the flange bolt nuts to specifications.
2. P Models
a. Place the steering gear in position, guiding the
wormshaft into the universal joint assembly and
lining up the marks made at removal.
If a new gear was installed, line up the
N O T E :
mark on the wormshaft with the slit in the uni­
versal joint yoke.
b. Install the steering gear to frame bolts and torque
to specifications.
c. Install the universal joint pinch bolt and torque to
specification.
The pinch bolt must pass through the
N O T E :
shaft undercut.
3. Install the pitman arm onto the pitman shaft, lining
up the marks made at removal. Install the pitman
shaft nut or pitman arm pinch bolt and torque to
specifications.
If a clamp type pitman arm is used,
C A U T IO N :
spread the pitman arm just enough, with a
wedge, to slip the arm onto the pitman shaft. Do
not spread the clamp more than required to slip
over pitman shaft with hand pressure.
hammer the pitman arm onto the pitman shaft.
Be sure to install the hardened steel washer be­
fore installing the nut.
PITMAN SHAFT OIL SEAL REPLACEMENT
It is recommended that the steering gear be removed
from the vehicle as outlined above and the pitman shaft
oil seal replaced as outlined in the 1971 Overhaul Man­
ual, Section 9, Manual Steering Gear.
STEERING COLUMN UPPER BEARING
Standard Column
Removal
1. Remove steering wheel as outlined in this section.
2. Remove directional signal cancelling cam.
3. Pry out upper bearing.
In sta lla tio n
1. Replace all component parts in reverse order of re­
moval making sure that directional signal switch is
in neutral position before installing steering wheel.
N O T E :
fastener is an important attaching part in that it
could affect the performance of vital components
and systems, and/or could result in major re­
pair expense. It must be replaced with one of the
same part number or with an equivalent part if
replacement becomes necessary. Do not use a
replacement part of lesser quality or substitute
design. Torque values must be used as specified
during reassembly to assure proper retention of
this part.
Tilt Column
The upper bearings on the tilt column are spun into the
bearing housing assembly. If the bearings indicate need
of replacement, the entire bearing housing must be re­
placed. See ''Tilt Steering Column - Disassembly and
Assembly" for the correct replacement procedure.
STEERING COLUMN LOWER BEARING
Standard Columns
R e m o v a l
1. C-K Models - Remove the intermediate shaft and pot
joint assembly as outlined earlier in this section.
Remove the preload spring washer and spring from
the end of the steering shaft.
2. P Models - Remove the intermediate steering shaft
and universal joint assembly as outlined earlier in
this section. Remove the preload spring clamp and
spring from the end of the steering shaft.
3. Pry out the lower bearing assembly.
In sta lla tio n
1. Place the new bearing over the end of the steering
shaft and press into position in the column.
2. P Models - Install the preload spring and clamp and
torque the clamp bolt nut to specifications while
maintaining the dimension shown in Figure 5. Re­
install the intermediate shaft and universal joint
assembly as outlined under "Intermediate Steering
Do not
Shaft with Universal Joint Couplings - Installation".
3. C-K Models - Place the preload spring and washer
over the end of the steering shaft and then install
the intermediate steering shaft and pot joint coupling
assembly as outlined under "Intermediate Steering
Shaft with Pot Joint Coupling - Installation". Be
sure to maintain the dimensions outlined in Figure
5.
Tilt Columns
R e m o v a l
1. Remove the intermediate steering shaft assembly as
outlined earlier in this section.
2. Pry off the lower bearing reinforcement clip and
remove the clip and reinforcement.
3. Remove the lower bearing and adapter as an as­
sembly. Press the bearing out of the adapter.
In sta lla tio n
1. Press the new bearing into the adapter and install
the lower bearing and adapter onto the lower end of
the steering shaft and place in position in the lower
The steering wheel to steering shaft
10-30 CHEVROLET TRUCK SERVICE MANUAL