Pontiac tempest 1968 Service Manual page 70

CUSTOM A I R C O N D I T I O N I N G 1A-43
BROWN HOSE
UPPER AIR
DIAPHRAGM
AIR INLET
^DOOR
ORANGE'
HOSE
DOOR /
RETURN SPRING
LOWER AIR
DIAPHRAGM
DARK PURPLE
HOSE
F i g . 1A-62 A i r Inlet Diaphragm Attachment
2. Remove vacuum hose.
3. Remove two attaching screws.
4. Remove link actuator attaching screws.
5. Remove diaphragm.
6. To replace, reverse removal procedure.
PLENUM AIR VALVE DIAPHRAGM
1. Remove windshield wiper arms.
2. Remove air vent grille.
3. Remove attaching screws and link actuator
screw.
4. Remove diaphragm.
5. To replace reverse above procedure.
HOSES AND CONNECTIONS
ALL
Air conditioning refrigerant hose routing is shown
on Figs. 1A-47, 1A-48 and 1A-49.
These connections should be tight and contaminent
free. Use the torque chart in Fig. 1A-1 as a guide
for securing hose fittings.
COLD AIR DISTRIBUTION DUCT-
REMOVE AND REPLACE
PONTIAC OR T E M P E S T
(Figs. 1A-51, 52 and 53)
1. If equipped with stereo tape, remove.
2. Remove three retaining screws.
3. Slide right hose and left duct from distributor
duct.
4. Pull duct straight back to clear locating pin and
remove from car.
5. If replacing with new duct, remove nozzles and
install in new duct. Paint to match.
6. To replace, reverse removal procedure.
FIREBIRD
1. Remove duct flex hoses.
2. Remove duct retaining screws,
3. Remove both portions of duct.
4. To replace, reverse removal procedure.