Pontiac firebird 1968 - Page 23

1-8
1968 PONTIAC SERVICE MANUAL
NOTE B - GMC SEALER 9980664 OR
EQUIVALENT SHOULD BE BRUSHED INTO
JOINT BETWEEN AIR INLET DUCT AFTER
ASSEMBLY TO INSURE A WATER TIGHT
SEAL.
REAR VIEW OF BLOWER &
AIR INLET DUCT ASS'Y.
APPLY .25" DIA. BEAD OF SEALER
IN GROOVE AROUND ENTIRE
APPLY .25'» DIA. BEAD OF SEALER
IN GROOVE AROUND ENTIRE
PERIMETER OF DUCT.
SEC "A-A*
MOTOR CONN.
MOTOR LEAD (INSTALL ON MOTOR CONN.
Fig. 1-7 Engine Compartment Details—Pontiac
8. To install, assemble the blower impeller to
motor.
9. Place the assembly into case and install mount-
ing screws. Connect the blower motor wire to motor
and replace duct if applicable.
10. Install fender and skirt assembly.
11. Clip the heater hoses to fender skirt, replace
battery and tray and connect cables.
12. Install hood.
HEATER CORE AND/OR CASE
REMOVE AND REPLACE
PONTIAC (Fig. 1-7)
1. Drain radiator.
2. Disconnect heater inlet and outlet water hoses
at heater.
3. Disconnect temperature control cable at top of
heater core and case.
4. Disconnect vacuum hose from defroster and
air inlet diaphragms.
5. Remove wire connector from resistor assembly
at top of air outlet duct by prying up with flat blade
screwdriver.
6. Remove nuts and screws securing heater to air
inlet duct assembly.
7. Remove heater core and case assembly.
8. Remove heater core.
9. Replace by reversing above procedures.
10. Adjust temperature control cable.
TEMPEST (Fig. 1-8)
1. Disconnect heater inlet and outlet water hoses
at heater allowing coolant to drain.
2. Remove glove compartment.
3. Remove five nuts retaining heater case to dash.