Pontiac FIREBIRD 1972 Service Manual page 152

CUSTOM AIR CONDITIONING 1A-93
VlEW B
MUFFLER
VlEW A
Fig. 1A-1 1 4 F Series Receiver and Muffler Mounting
EVAPORATOR CORE
REMOVE AND REPLACE
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EXCEPT X SERIES
1. Depressurize refrigeration system. On F Series,
remove hood and R H hood hinge while depressuriz-
ing system.
2. Disconnect oil bleed and equalizer line at P.O.A.
valve.
3. Disconnect P.O.A. inlet and expansion valve outlet
fittings and cap all openings.
4. Remove insulation at expansion valve thermo bulb
and remove clamps.
5. Remove screw retaining expansion valve to bracket.
6. Remove screws retaining P.O.A. valve to bracket.
7. Remove screws and nuts retaining left half of case
(inboard side) to dash and to right half of case, Figs.
1A-103, 1A-116 and 1A-117.
8. Disconnect and remove expansion valve (and P.O.A.
valve on F Series).
9. Gently pry case from sealer (if equipped with gasket
use care not to destroy).
10. On A Series (V-8), use a long bar and pry up slightly
on right side of engine to allow removal of case. On
A Series (6-cylinder models) and F Series, remove left
case half.
Fig. 1A-1 15 Receiver Dehydrator Assembly
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X Series