Subaru Impreza 2002 Service Manual page 3185

HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
6. Compressor Oil
A: OPERATION
NOTE:
Before making repairs, conduct the oil return oper-
ation to return the compressor oil in circulation with
the refrigerant to the compressor.
1) Increase engine to 1,500 rpm.
2) Turn ON the A/C switch.
3) Turn the temperature control switch to MAX
COOL.
4) Put in RECIRC position.
5) Turn the blower control switch to HI.
6) Leave in this condition for 10 minutes.
B: REPLACEMENT
NOTE:
• If a component is replaced, add an appropriate
amount of compressor oil.
• When replacing the compressor, the new com-
pressor will already have the specified amount of
oil in it. Install the new compressor after removing
the same amount of oil that is remaining in the com-
pressor removed.
Replacement parts
Evaporator 114 m2 (3.9 US fl oz, 4.0 Imp fl oz)
Condenser 7 m2 (0.24 US fl oz, 0.25 Imp fl oz)
Hose 1 m2 (0.03 US fl oz, 0.04 Imp fl oz)
COMPRESSOR OIL
Amount of oil replenishment
AC-26