Subaru 2003 Legacy, Service Manual

Page: 3450 / 4441

AC-29
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
COMPRESSOR OIL
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 speed 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 Amount of oil replenishment
Evaporator 114 m
2
(3.9 US fl oz, 4.0 Imp fl oz)
Receiver drier 5 m
2
(0.2 US fl oz, 0.2 Imp fl oz)
Condenser 2 m
2
(0.07 US fl oz, 0.07 Imp fl oz)
Hose 1 m
2
(0.03 US fl oz, 0.04 Imp fl oz)