Chevrolet 1980 Light Duty Truck Service Manual page 248

3B 4-34 STEERING CO LU M N S
3. Install the bearing support lock plate wave washer.
4. Install the bearing support lock plate. Work it into
the notches in the jacket by tipping it toward the housing
hub at the 12 o'clock position and sliding it under the jacket
opening. Slide the lock plate into the notches in the jacket.
5. Carefully install the shift tube into the lower end of
the mast jacket. Align keyway in the tube with the key in
the shift lever housing. Install the wobble plate end of Tool
J-23073 into the upper end of the shift tube far enough to
reach the enlarged portion of the tube. Then install the
adapter over the end of the tool, seating it against the lock
plate. Place the nut on the threaded end of the tool and pull
the shift tube into the housing (Fig. 3B4-57). Remove Tool
J-23073.
Do not push or tap on the end of the shift
NOTICE:
tube. Be sure that the shift tube lever is aligned with
the slotted opening at the lower end of the mast jacket
or damage to the shift tube and mast jacket could
result.
6. Install the bearing support thrust washer and
retaining ring by pulling the shift lever housing up far
enough to compress the wave washer.
7. Install the bearing support by aligning the "V" in
the support with the "V" in the jacket. Insert the screws
through the support and into the lock plate and torque to
60 lbs. in.
8. Align the lower bearing adapter with the notches
in the jacket and push the adapter into the lower end of the
mast jacket. Install lower bearing, bearing reinforcement
and retaining clip, being sure that the clip is aligned with
the slots in the reinforcement, jacket and adapter.
9. Install the centering spheres and anti-lash spring in
the upper shaft. Install the lower shaft from the same side
of the spheres that the spring ends protrude.
10. Install the steering shaft assembly into the shift tube
from the upper end. Carefully guide the shaft through the
shift tube and bearing.
11. Install the ignition switch actuator rod through the
shift lever housing and insert in the slot in the bearing
support. Extend the rack downward from the bearing
housing.
12. Assemble the bearing housing over the steering
shaft and engage the rack over the end of the actuator rod
(Fig. 3B4-56).
13. With the external release lever installed, hold the
lock shoes in the disengaged position and assemble the
bearing housing over the steering shaft until the pivot pin
holes line up.
14. Install the pivot pins.
15. Place the bearing housing in the full "up" position
and install the tilt lever spring guide, spring and spring
retainer. With a suitable screwdriver, push the retainer in
and turn clockwise to engage in the housing.
16. Install the upper bearing inner race and race seat.
17. Install the tilt lever opening shield.
18. Remove the tilt release lever,install the turn signal
housing and torque the three retaining screws to 45 lbs. in.
19. Install the tilt release lever and shift lever. Drive the
shift lever pin in.
20. Install the lock cylinder, turn signal switch and
ignition switch as outlined previously in this section.
21. Align the groove across the upper end of the pot
joint with the flat on the steering shaft. Assemble the
intermediate shaft assembly to the upper shaft. Install the
clamp and bolt and torque the nut to specifications.
The clamp bolt must pass through the shaft
NOTICE:
undercut, or damage may occur to the components.
22. Install the neutral-safety switch or back-up switch
as outlined in Section 12 of this manual.
23. Install the four dash panel bracket to column screws
and torque to specifications.
CAUTIO N: Be sure
openings in the bracket (for the mounting
capsules) face the upper end of the
steering column.
CO LUM N IN S TA LLA TIO N -M A N D A TO R Y
SEQUENCE
M andatory Preliminary Instructions
1. Assemble lower dash cover (A) and upper dash
cover (B) to seal (C) with "Carrots" (part of seal).
2. Attach bracket (D ) to jacket and tighten four bolts
(E) to specified torque.
th a t the slotted
LIG H T T R U C K S ER V IC E M ANUAL