Pontiac tempest 1968 Service Manual page 514

T W O SPEED A U T O M A T I C TRANSMISSION
7F-13
F i g . 7 F - 2 7 Removing Speedometer Drive G e a r
3. Remove valve body.
4 . Remove speedometer driven gear.
5. Remove governor assembly (see page 7F-4).
6. Remove vacuum modulator (see page 7F-6).
7
s
Remove rear bearing retainer.
8, Remove speedometer drive gear by depressing
retainer clip and sliding gear off output shaft (Fig.
7F-27).
REMOVAL OF OIL PUMP, FORWARD CLUTCH,
AND LOW BAND
NOTE: Oil pump seal can be replaced without
removing pump from case:
IB
^mmmmmmmmmmSm^^m ' • ' F • i l l l l l B
a. Pry out old seal.
b. Coat outer casing of new oil seal with gasket
sealing compound and drive it into place with in­
staller J 21359.
1. With transmission in vertical position, remove
eight oil pump attaching bolts. Install slide ham­
mers J 6125 and adapters J 6125-2 into threaded
holes in pump, loosen pump and remove pump and
gasket (Fig. 7F-28).
2. Remove input shaft from forward clutch drum
(Fig. 7F-29).
3. Remove forward clutch assembly by pulling
straight out of case (Fig. 7F-30).
4. Remove low band and struts from case.
5. Remove low servo cover snap ring, using tool
J 22269 to compress low servo cover so that snap
ring can be removed with the aid of a punch or
screwdriver (Fig. 7F-31).
6. Remove tool J 22269 from case and remove low
servo cover. If necessary, tap lightly on low servo
assembly piston rod to assist in removal of cover.
Discard cover oil seal.
7. Remove low servo assembly from case.
REMOVAL OF PLANETARY GEAR SET, REVERSE
CLUTCH AND PISTON, AND PARK LOCK MECHANISM
1. Pull planet carrier assembly from case, using
care to avoid damaging case bushing (Fig. 7F-32)
and remove reverse ring gear (Fig. 7F-33), thrust
bearing and races (Fig. 7F-34).
2. With transmission in vertical position, remove
reverse clutch pack snap ring with a screwdriver
(Fig. 7F-35).
, INPUT S H A F T
F i g . 7 F - 2 8 Removing O i I Pump
F i g . 7 F - 2 9 Removing Input Shaft