Chevrolet 1980 Light Duty Truck Service Manual page 241

Fig. 3B4-4 1— Installing Steering Column in Vise
13. Remove the two screws holding the back-up switch
or neutral-safety switch to the column and remove the
switch.
14. Remove the lower bearing retainer clip (Fig. 3B4-
45).
15.
Autom atic and Floorshift Columns
the lower bearing retainer, bearing adapter assembly, shift
tube thrust spring and washer. The lower bearing may be
removed from the adapter by light pressure on the bearing
outer race. Slide out the shift tube assembly.
M anual Transmission
lower bearing adapter, bearing and the first reverse shift
lever. The lower bearing may be removed from the adapter
by light pressure on the bearing outer race. Remove the
three screws from bearing at the lower end and slide out the
shift tube assembly. Remove the gearshift housing lower
bearing from the upper end of the mast jacket.
Assembly of Standard Columns
Apply a thin coat of lithium soap grease to all friction
surfaces.
1. Install the sector into the turn signal and lock
cylinder housing. Install the sector in the lock cylinder hole
over the sector shaft with the tang end to the outside of the
hole. Press the sector over the shaft with a blunt tool.
2. Install the shift lever detent plate onto the housing.
3. Insert the rack preload spring into the housing from
the bottom side. The long section should be toward the
handwheel and hook onto the edge of the housing (Fig.
3B4-46).
4. Assemble the locking bolt onto the crossover arm
on the rack and insert the rack and lock bolt assembly into
the housing from the bottom with the teeth up (toward
hand-wheel) and toward the centerline of the column (Fig.
3B4-43). Align the 1st tooth on the sector with the 1st tooth
on the rack; if aligned properly, the block teeth will line up
when the rack assembly is pushed all the way in.
5. Install the thrust cup on the bottom hub of the
housing.
- Remove
- Column Shift - Remove the
STEERING CO LU M N S
6. Install the gearshift housing lower bearing. Insert
the bearing from the very end of the jacket. Aligning the
indentations in the bearing with the projections on the jacket
(Fig. 3B4-47). If the bearing is not installed correctly, it will
not rest on all of the stops provided.
7. Install the shift lever spring into the gearshift lever
(or lock tube) housing. Install the housing and shroud
assemblies onto the upper end of the mast jacket. Rotate the
housing to be sure it is seated in the bearing.
8. With the shift lever housing in place, install the turn
signal and lock cylinder housing onto the jacket. The
gearshift housing should be in "Park" position and the rack
pulled downward. Be sure the turn signal housing is seated
on the jacket and drive the four screws.
9. Press the lower bearing into the adapter assembly.
10. Insert the shift tube assembly into the lower end of
the jacket and rotate until the upper shift tube key slides
into the housing keyway.
11.
Autom atic and
Assemble the spring and lower bearing and adapter
assembly into the bottom of the jacket. Holding the adapter
in place, install the lower bearing reinforcement and retainer
clip. Be sure the clip snaps into the jacket and reinforcement
slots.
12. M anual Transmission • Column S h ift -
Loosely attach the three screws in the jacket and shift tube
bearing.
Assemble the 1 st-Reverse lever and lower bearing and
adapter assembly into the bottom of the jacket. Holding the
adapter in place, install the bearing reinforcement and
retaining clip. Be sure the retaining clip snaps into the jacket
and reinforcement slots.
Refer to Fig. 3B 4-48 for adjustment procedure.
Fig. 3B4-42--Removing Turn Signal Housing
3B 4-27
Floor sh ift Columns
LIG H T T R U C K SER V IC E M ANUAL
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