Pontiac tempest 1968 Service Manual page 389

7 A - 8
1968 P O N T I A C S E R V I C E MANUAL
2. Remove shift lever.
3. Slide shift lever shaft out of case and discard
O-ring seal,
4. Lubricate new seal and slide on shaft.
5. Install shaft in case.
6. Install shift lever and secure with nut, lock­
washer and flat washer.
INPUT SHAFT BEARING REPLACEMENT-
MAIN SHAFT REMOVED
1. Re-install input shaft in case.
2. Install large snap ring on bearing.
3. Remove bearing to shaft retaining snap ring.
4. Position case in press (Fig. 7A-12) and press
input shaft out of bearing.
5. Remove shaft from case.
6. Place new bearing on input shaft.
7. Position input shaft in press (Fig. 7A-13), sup­
port the bearing by the inner race and press the
shaft into the bearing.
MAINSHAFT-DISASSEMBLE
1. Remove front blocking ring (Fig. 7A-14).
2. Remove synchronizer insert retaining spring.
— — T-T-ff-— 11 —
Fig. 7A-12 Pressing input Shaft Out of Bearing
I'
F i g . 7A-13 Installing Input Shaft Bearing
3. Remove 2nd and 3rd gear synchronizer sleeve.
4. Remove synchronizer hub retaining snap ring,
hub and blocking ring.
5. Remove 2nd gear (Fig. 7A-15).
6. Remove 1st gear retaining snap ring, thrust
washer, 1st gear and blocking ring.
7. Remove reverse gear retaining snap ring.
8. Using an arbor press, as shown in Fig. 7A-16,
remove reverse gear synchronizer hub and sliding
gear.
TRANSMISSION—ASSEMBLE
MAINSHAFT-ASSEMBLE
1. Install rear insert spring in the groove in 1st
and reverse synchronizer hub (Fig. 7A-17). Make
sure spring covers all insert grooves.
NOTE: If the tip of rear insert spring is less than
0.120" in length, replace spring.
2. Start hub in the sleeve, making sure alignment
marks are indexed.
3. Position the three inserts in the hub with the