Subaru 2004 Forester, Service Manual

Page: 33 / 622

AC-31
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 the engine speed to 1,500 rpm.
2) Turn ON the A/C switch.
3) Turn the temperature control dial to MAX COOL.
4) Set the air inlet select switch to RECIRC posi-
tion.
5) Turn the fan dial 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 (same as the amount of
remaining oil in removed component).
• 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
Approx. 50 cm
3
(1.7 US fl oz, 1.8 Imp fl oz)
Condenser
Approx. 30 cm
3
(1.0 US fl oz, 1.1 Imp fl oz)
Hose
Approx. 10 cm
3
(0.4 US fl oz, 0.4 Imp fl oz)
Receiver dryer
Approx. 10 cm
3
(0.4 US fl oz, 0.4 Imp fl oz)