Chevrolet 1980 Light Duty Truck Service Manual page 257

1. U pper S teering Shaft
2 . S h ift Housing Bushing
3 . Bushing Seat
4 . M ast J a c k e t
5 . C o lum n C over
6. B a c k -U p Lamp S w itc h Screw
7. B a c k -U p Lamp S w itc h
8 . Toe Pan Seal R e tainer
9. Toe Pan Seal
10. A d ju s tin g Ring C la m p Screws
11. N u t and Lockw asher
12. A d ju s tin g Ring C la m p Bolt
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 1 st-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.
13. S h ift Tube F e lt W asher
14. S h ift Tube Assem bly
15. S h ift Leve r Spacer
16. ls t-R e v e rs e S h ift Lever
17. A d ju s tin g Ring
18. S haft Low er Bearing
19. Low er Bearing Preload Spring
20. Preload Spring C la m p
21. N u t and Lockw asher
22. S teerin g Shaft N u t
23. Lockw asher
24. Turn S ig n a l C a n c e llin g Cam
Fig. 3B 4 -74 ~ S tan da rd C olum n-Typical G & P
seals from the jacket.
Assembly
purpose
components so indicated.
clamps over the end of the jacket.
and then place the shift tube in the jacket.
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.
STEERING CO LU M NS
25. Turn S ignal S w itc h Screw
26. Turn S ignal S w itc h
27. S te e rin g Shaft U pper Bearing
28. S w itc h C o n ta c t Support
29. Turn S ig n a l Housing
30 . Turn S ig n a l S w itc h Lever Screw
3 1 . Turn S ig n a l S w itc h Lever
32. Rubber Ring
33. P lastic Thrust W asher
34. S h ift Lever Housing
35. S h ift Lever Pin
36. | Shi ft Lever
NOTICE: In some tolerance stack-up cases it 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
In the following assembly sequence use any general
lithium soap grease for lubricating those
1. Install the dash panel seal, toe panel and firewall
2. Lubricate all bearing surfaces on the shift tube.
3. Place the felt seal onto the shift tube (next to spring)
4. 3-Speed Columns - Temporarily install spacer, 1 st-
3B 4-43
LIG H T T R U C K SER V IC E M AN UAL