Expansion Valve And Seals - Pontiac Grand Prix Service Manual

CUSTOM AIR CONDITIONING
1A-29
LOW PRESSURE
HIGH PRESSURE
Fig. 1A-47 Refrigeration System Components
-
Firebird
6. Replace by reversing above procedure using new 0
2. Remove thermo bulb from insulation at evaporator
ring seals coated with compressor oil.
outlet (Figs. 1A-46 and 47);
7. Evacuate and charge system.
3. Disconnect equalizer line at P.O.A. valve.
Compressor belt tension specifications are as follows:
4. Remove intlet and outlet fittiqgs of valve.
New Belt (140-145 lbs.)
Old belt (100-105 lbs.)
EXPANSION VALVE AND SEALS
ALL
-
REMOVE AND REPLACE
NOTE: On some Firebirds it may be necessary to loosen
and tip the compressor to gain access to thesefiltings.
5. If valve is not immediately replaced, cap openings to
prevent entry of dirt and moisture.
6. Replace by reversing above procedure using new 0
ring seals coated with compressor oil.
1. Depressurize system.
7. Evacuate and charge system.