Pontiac FIREBIRD 1972 Service Manual page 148

CUSTOM AIR CONDITIONING 1A-89
P.O.A. V A L V E
Fig. 1A-106 F Series Evaporator and Blower Assembly
O-RING S E A L
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C O A T W I T H
R E F R I G E R A N T
E V A P O R A T O R
CORE A N D CASE
Fig. 1A-107 X Series P.O.A. Valve Installation (with 3 5 0 Engine)