Chevrolet 1980 Light Duty Truck Service Manual page 249

M andatory Installation Sequence
1. Position column in body and position flange to rag
joint and install lock washers and nuts (F ) (May be
tightened to specified torque at this time). Coupling (G ) on
manual steering must be installed prior to column
installation.
2. Loosely assemble (2) capsules nuts (H ) at the
instrument panel bracket (D).
3. Position lower clamp (J) and tighten attaching nuts
(K ) to specified torque.
4. Tighten two nuts (H ) at capsules to specified torque.
5. Install seal (C) and covers (A and B) to dash.
6. Install attaching screws (L) and tighten to specified
torque.
7. Tighten two nuts (F ) at capsules to specified torque
if not already done.
8. Remove plastic spacers from flexible coupling pins.
9. Install transmission indicator cable on column
automatics.
10. Install the instrument panel trim cover.
11. Connect the transmission control linkage at the shift
tube levers.
12. Install the steering wheel as outlined previously in
this section.
13. Connect the battery ground cable.
M andatory System Requirements
1. Pot joint operating angle must be 1 1/2° + 4°.
2. Flexible coupling must not be distorted greater than
-J- .06 due to pot joint bottoming, in either direction.
STEERING COLUMN SERVICE FOR G
AND P SERIES
STEERING WHEEL
Removal
1. Disconnect battery ground cable.
2. Remove horn button or shroud, receiving cup,
belleville spring and bushing and mark steering wheel to
steering shaft relationship.
3. Remove snap ring, and steering shaft nut.
4. Use Tool J-2927 to remove wheel (Fig. 3B4-59).
Installation
NOTICE: See NOTICE on page 1 of this section
regarding the fastener referred to in step 2.
Directional signal control assembly must be in
neutral position when assembling steering wheel to
prevent damage to cancelling cam and control
assembly.
1. Place the steering wheel onto the steering shaft,
aligning the marks made at removal.
2. Position into place and secure to proper torque with
nut. Install snap ring.
3. Install horn button assembly.
4. Connect battery ground cable.
STEERING CO LUM NS
Fig. 3B4-59--Steering Wheel Removal-Typical
STEERING COUPLING (FLEXIBLE TYPE)
Removal (Fig. 3B 4-60)
1. Remove the coupling to steering shaft flange bolt
nuts.
2. Remove the coupling clamp bolt. This is a special
bolt and will require a 12 pt. socket or box wrench.
3. Remove the steering gear to frame bolts and lower
the steering gear far enough to remove the flexible coupling.
It is not necessary to disconnect the pitman arm from the
pitman shaft.
4. Tap lightly on the flexible coupling with a soft
mallet to remove the coupling from the steering gear
wormshaft.
CAPTURING
STRAP
BOLT
Fig. 3 B 4 -6 0 ~ F le x ib le Type Steering C oupling
3B 4-35
ALIGNMENT PINS
COUPLING TO
STEERING SHAFT
FLANGE BOLTS
LIG H T T R U C K S ER V IC E M AN U AL