Pontiac tempest 1968 Service Manual page 413

7 C - 4
1968 P O N T I A C SERVICE MANUAL
-2 DETENT
CAM
PIVOT PIN
DETENT
SPRING
3-4 DETENT
CAM
/
SHIFT FORK
1-2 SHIFTER
SHAFT A S S Y . ^
REVERSE
SHIFTER SHAFT
ASSY.
DETENT SPRING \
& BALL (UNDERNEATH) 1-2 SHIFTER
FORK
- 3-4 SHIFTER
SHAFT A S S Y .
RETAINER
RING
Fig. 7 C - 3 Side Cover Assy.
4. Remove front bearing to main drive gear snap
ring.
5. Pull main drive gear out of case as far as
possible and remove front bearing (Fig. 7 C - 5 ) .
NOTE: Although front bearing is a slip fit on
main drive gear, it may be necessary to aid re­
moval with screwdriver.
6. Remove extension housing to case attaching
bolts.
7 . From rear of case, remove extension housing
and mainshaft assembly (Fig. 7 C - 6 ) .
8. Remove main drive gear and fourth speed
blocking ring from inside of case and remove 14
bearing rollers from main drive gear.
1 2 3 4 5 6 7 8 9 10 1 1 1 2 13 14 15 16 17 18 19 20
i
; I t i i / i s < »
21 22
V V U ; , ....
7l 24 ii 26 27
28 29 30
SB
31 32 33 34 35 36 37 38 39 40 41
Fig. 7 C - 4 Saginaw Four Speed Transmission
1. Main Drive G e a r
2. Front* Bearing Retainer
3. Bearing Roller
4. Case
5. Fourth Speed Blocking Ring
6. Third and Fourth
Synchronizer Snap Ring
7. Third and Fourth
Synchronizer Hub
8. Blocking Ring
9. Third Speed G e a r
10. Second Speed G e a r
11. Blocking Ring
12. First and Second
Synchronizer Hub
13. First and Second
Synchronizer Snap Ring
14. First Speed Blocking Ring
15. First G e a r
16. Reverse G e a r Thrust
and Spring Washers
17. Bearing To Mainshaft
Snap Ring
18. Case Extension
19. Vent
20. Speedometer Drive G e a r
21. Mainshaft
22. Rear O i l Seal
23. Bearing Retainer O i l Seal
24. Bearing To G e a r Snap Ring
25. Front Bearing
26. Bearing To Case Snap Ring
27. Thrust Washer (Front)
28. Thrust Washer (Rear)
29. Bearing To Extension
Snap Ring
30. Rear Bearing
31. Countergear Bearing
Ro 1 1 ers
32. Anti-Rattle Plate Assy.
33. Magnet
34. Third and Fourth Synchro­
nizer Sleeve (Sliding)
Countergear Assy.
Countershaft
Reverse Idler Shaft
38. First and Second Speed
Synchronizer Sleeve and
Reverse G e a r
Reverse Idler G e a r
Clutch Keys
Woodruff Key
35.
36.
37.
39,
40,
41,