Chevrolet 10 1971 Series Chassis Service Manual page 353

P Models - Remove the lower bearing preload spring
and clamp.
3. Remove the back-up lamp switch.
4. Drive out the shift lever pivot pin and remove the
shift lever.
5. Remove the directional signal cancelling cam. Re­
move the directional signal switch lever.
6. Remove the column wiring harness cover.
7. Remove the directional signal switch screws.
8. Rotate the directional signal switch housing counter­
clockwise and remove the housing from the column.
The housing and switch cannot be fully
N O T E :
removed from the column until the shift lever
housing is removed.
9. Remove the plastic thrust washer assembly and then
remove the shift lever housing (or extension housing)
from the column.
10. Separate the directional signal switch, switch control
support assembly, directional signal housing and
shift lever housing (or housing extension) assemblies.
11. Press the steering shaft upper bearing out of the
switch contact support.
12. Remove the shift lever housing (or extension housing)
seat and bushing from the upper end of the column.
13. Remove the bolt and screws from the adjusting ring
clamp and remove the clamp, adjusting ring and
lower bearing. Press the lower bearing out of the
adjusting ring.
14. 3-Speed Columns - Remove lst-reverse shift lever
and lever spacer.
Automatic Columns - Remove the selector plate
clamping ring screws (3).
15. Place the column upright on the floor, supporting it
with two pieces of wood. Place a block of wood on
the upper end of the shift tube. Press down on the
shift lever with foot while tapping on the wood block
to withdraw the tube from the column jacket.
In some tolerance stack-up cases it
N O T E :
may be necessary to use a press. Be careful
not to damage the tube or jacket.
16. Remove the felt seal from the shift tube.
17. Remove firewall clamp, toe pan seal and dash panel
seals from the jacket.
Assem bly— Standard Column
For floor shift models, omit Steps 2,
N O T E :
3, 4, 5 and 13.
1. Install the dash panel seal, toe panel and firewall
clamps over the end of the jacket.
2. Lubricate all bearing surfaces on the shift tube.
3. Place the felt seal onto the shift tube (next to spring)
and then place the shift tube in the jacket.
4. 3-Speed Columns - Temporarily install spacer, 1st-
reverse shift lever and lower adjusting ring. Place
a block of wood on top of the adjusting ring and tap
until the shift tube bottoms. Remove adjusting ring,
shift lever and spacer.
The shift tube spring retainer must be
N O T E :
bottomed against the jacket stops.
Automatic Columns - Align the three holes in the se­
lector plate with the three holes in the jacket, posi­
tion the clamping ring and install the three screws.
5. 3-Speed Columns - Lubricate and install the spacer
and lst-reverse shift lever (tang of lever towards
top of column).
6. Install lower bearing in the adjusting ring and then
install the adjusting ring, clamp and screws.
7. Install the shift lever housing (or extension housing)
seat and bushing to upper end of housing.
8. Thread directional signal switch wiring harness
through the switch and shift lever (or extension)
housings, lubricate the inner diameter of the shift
housing, and then place the shift lever (or extension)
housing onto the upper end of the column.
9. Install the switch housing plastic washer assembly.
Press the upper bearing into the switch contact sup­
port.
10. Install the directional signal switch housing, contact
support, bearing and switch and torque the switch
screws to 25 in. lbs.
11. Install the column wiring harness cover and back-up
lamp switch.
12. Install the directional signal and gearshift levers.
13. Adjust the shift tube as outlined under "Shifter Tube
Adjustment."
14. P Models - Loosely install the lower bearing preload
spring and clamp.
C and K Models - Loosely install the lower bearing
preload spring and washer. Install the lower steer­
ing shaft and coupling to the upper steering shaft and
torque the coupling clamp bolt to 120 in. lbs.
15. Slide the steering shaft assembly up through the
column assembly. Install the directional signal can­
celling cam, steering shaft nut and lock washer.
Disassembly— Tilt Column (Fig. 20)
1. Place the column in a bench vise using Holding
Fixtures J-22573 (fig. 21).
Clamping the column directly in a
NOTE:
vise, could result in a damaged column.
2. Remove the directional signal switch as outlined
under "Directional Signal Switch-Removal".
3. Remove the lower steering shaft and pot joint as-
Fig. 21— Securing Column with Holding Fixture J-22573
STEERING 9-13
10-30 CHEVROLET TRUCK SERVICE MANUAL