Pontiac tempest 1968 Service Manual page 522

T W O SPEED A U T O M A T I C TRANSMISSION 7F-21
L O W S U N G E A R
A N D F L A N G E A S S Y -
V
\
C L U T C H H U B
R E A R T H R U S T
W A S H E R
F i g . 7F-57 Installing Clutch Hub Rear Thrust Washer
PLANET CARRIER
• • • H I V
L O C K P L A T E
> S C R E W A N D
L O C K W A S H E R A S S Y .
Fig o 7 F - 5 9 Removing Lock Plate Screws
PRELIMINARY INSPECTION
I - Wash planet carrier assembly in cleaning sol­
vent and air dry.
2
e
Inspect planet pinions for nicks or other tooth
damage.
3 . Check end clearance of planet pinions. This
clearance should be .006 - . 0 3 0 " (Fig, 7F-58).
4. Check input sun gear for tooth damage.
5. Inspect output shaft bearing surface for nicks
or scoring.
6. Inspect output shaft splines for nicks or damage.
To disassemble the planet carrier to replace worn
or damaged parts, proceed as follows:
DISASSEMBLY
1. Remove planet pinion shaft lock plate screws
and lockwashers (Fig. 7F-59).
2. Rotate lock plate clockwise and remove.
NOTE: If gears are to be reused, mark them in
some convenient way so that they can be rein­
stalled in their original position, facing original
direction. If this is not done, the gear set may be
noisy.
3 . Starting with a short planet pinion, push out
pinion shaft. Remove pinion, needle bearings and
thrust washers.
4. Repeat Step 3 to remove the remaining two
short pinions.
L O W S U N G E A R
N E E D L E
T H R U S T B E A R I N G
F i g . 7 F - 5 8 Checking Planet Pinion End Clearance
F i g . 7 F - 6 0 Removing Low Sun G e a r Needle Thrust Bearing