Buick LeSabre 1965 Service Manual page 191

CLUTCH, S-M TRANSMISSION
46000 4-SPEED TRANSMISSION 4 - 5 5
Figure 4-122—Removing Reverse Shifter
Shaft Lock Pin
4 - 2 8 DISASSEMBLY OF
4-SPEED
TRANSMISSION
1. Remove transmission s i d e
cover assembly from transmis-
sion case. NOTE: If cover as-
sembly is to be disassembled for
inspection or replacement of worn
parts, follow procedures 2 through
6, Section 4-36.
2. Remove four bolts from front
bearing retainer and remove re-
tainer and gasket.
3. Remove front companion
flange. See Figure 4-121.
4. Drive lock pin up from reverse
shifter lever boss, as shown in
Figure 4-122, and pull shifter
shaft out about 1/8
M
. This dis-
Figure 4-124—Removing Speedometer
Gear
engages the reverse shift fork
from reverse gear.
5. Remove five bolts attaching the
case extension to the rear bearing
retainer. Tap extension with soft
hammer in a rearward direction
to start. When the reverse idler
shaft is out as far as it will go,
move extension to left so reverse
fork clears reverse gear and re-
move extension and gasket.
6. Remove rear bearing snap ring
on mainshaft.
7. Remove case e x t e n s i o n oil
seal. See (Figure 4-123).
8. Remove the speedometer gear
with J-8760 as shown in Figure
4-124.
9. Remove the reverse gear, re-
Figure 4-126—Removing Main
Drive Gear
verse idler gear and tanged thrust
washer.
10. Remove the self-locking bolt
attaching the rear bearing retain-
er to transmission case. Care-
fully remove the entire mainshaft
assembly.
11. Unload bearing rollers from
main d r i v e g e a r and remove
fourth speed synchronizer block-
ing ring.
12. Lift the front half of reverse
idler gear and its thrust washer
from case.
13. Remove the main drive gear
snap ring (see Figure 4-125), and
remove spacer washer.
14. With soft hammer, tap main
drive gear down from front bear-
ing as shown in Figure 4-126.
Figure 4-123—Removing Extension
Oil Seal
Figure 4-125—Removing Main Drive
Gear Snap Ring
Figure 4-127—Removing Countergear
with J-9573