Heater Core And Case - Pontiac FIREBIRD 1972 Service Manual

1A-96 1972 PONTIAC SERVICE MANUAL
ASM.
Fig. 1A-1 1 8 Air Inlet Assembly
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A and G Series
6. Disconnect blower motor cooling tube and electrical 1. Drain radiator.
connections at blower motor.
2. Disconnect water hoses at heater core tubes.
7. Remove blower motor attaching screws and remove
blower motor. Pry motor flange gently if sealer acts
3. Remove 3 nuts and one screw retaining core and case
as an adhesive. assembly to dash.
8. Remove impeller retaining nut and separate impeller 4. Remove glove box. Remove upper and lower I.P.
from motor. trim plates.
9. To replace, reverse removal procedure. 5. Remove radio.
A/C HEATER CORE AND CASE
ASSEMBLY
REMOVE AND REPLACE
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B SERIES
6. Remove cold air duct.
7. Remove heater outlet duct.
8. Remove defroster duct to heater case screw.