5C-4
1968 P O N T I A C SERVICE MANUAL
Fig. 5C-3A
Power Unit Mounted in Press
and spring with other hand and remove them from
bore of front plate hub.
Remove square ring seal from shoulder of plate.
NOTE:
Seal may stick to shoulder of either front
or rear plate.
Using small rod or screwdriver through center
bore of front plate, push out reaction disc. Loosen
front diaphragm from center plate and slide center
plate carefully off front plate hub.
CAUTION:
DO
NOT
DAMAGE
OR
REMOVE
SEAL
FROM
CENTER
BORE
OF
CENTER
PLATE.
Remove diaphragm from front plate.
REMOVAL
OF VACUUM
CHECK
VALVE
AND
GROMMET
(Fig.
5C-1)
NOTE:
Do NOT remove vacuum check valve un
less it is defective.
To remove vacuum check valve from front shell,
CDAMT Ol ATE
FRONT
DIAPHRAM
SQUARE RING S
REAR PLATE
REAR DIAPHRAGM
RETAINER
CENTER PLATE
PLUNGER SPRING
VALVE PLUNGER
REAR
DIAPHRAGM
Fig. 5C-4
Diaphragms, Plates, Retainer and Plunger