Pontiac tempest 1968 Service Manual page 58

CUSTOM A I R C O N D I T I O N I N G 1A-31
TEMPEST OR FIREBIRD
1. Depressurize system.
2. Remove hood hinge at fender and support hood.
3. Remove fender and skirt as an assembly. (In­
cludes disconnecting hoses from skirt, removal of
battery tray and rocker molding.)
4. Remove evaporator case to dash retaining
screws.
5. Disconnect expansion valve Inlet and P.O.A.
valve outlet.
6. Remove water control valve.
7. Disconnect blower and resistor wires.
8. Gently pull case from dash and remove from
engine compartment.
9. Cap refrigerant openings to prevent entry of
d i r t or moisture.
10. Separate and replace defective component of
assembly.
NOTE: Use care when reseating evaporator core
to case halves.
11. To replace reverse removal procedure using
care to properly seal evaporator to dash.
12. Evacuate and charge system with refrigerant.
CONDENSER AND SEALS-REMOVE AND REPLACE
(Figs. 1A-46, IA-47 and 1A-48)
PONTIAC OR TEMPEST
1. Depressurize refrigeration system.
2. Remove front valance panel.
3. Remove hood hinge and support brace.
4. Disconnect receiver outlet fitting.
5. Disconnect condenser inlet fitting.
6. Remove condenser bracket retaining screws.
7. Remove condenser and receiver assembly.
8. Cap openings.
9. Separate condenser from brackets.
10. To replace, reverse removal procedure, add
one ounce of refrigerant oil, and purge and recharge
system with refrigerant.
FIREBIRD
1. Depressurize system.
2. Remove hood lock catch support, catch, and
horn w i r e .
3. Remove right and left baffle from grille to
radiator support.
4. Remove brace and battery.
5. Disconnect inlet and outlet hose clamp con­
nections and condenser to radiator support attaching
screws.
6. Remove the condenser from the vehicle.
NOTE: Cap or tape the inlet and outlet connec­
tions at once.
7 . Add one fluid oz. refrigerant o i l after installing
a new condenser. Purge and recharge system with
refrigerant.
RECEIVER DEHYDRATOR-REMOVE AND REPLACE
(Figs. IA-46, 1A-47 and 1A-48)
PONTIAC
1. Depressurize system.
2. Remove valance panel.
3. Disconnect inlet and outlet fittings.
4. Remove bracket retaining screw.
5. Remove front strap.
6. Remove receiver.
7. To replace reverse removal procedure.
8. Evacuate and charge system.
TEMPEST
1. Depressurize system.
2. Remove plastic air deflector.
3. Disconnect receiver inlet and outlet fittings.
4. Remove lower valance panel.
5. Remove bracket retaining screw.
6. Remove receiver.
7. To replace reverse above procedure.
8. Evacuate and charge system.