Subaru 1600 Service Manual page 589

HEATING, VENTILATING AND AIR-CONDITIONING SYSTEM
Condition
Probable cause
I
FAULTY
CONDENSER
No cooling action: engine Condenser is often found
may overheat. not functioning well.
Bubbles appear in sight
glass of drier.
Suction line is very hot.
A26-076
Fig. 13-116
I
HIGH PRESSURE LINE BLOCKED
Fig. 13-117 A26-077
FAULTY COMPRESSOR
Fig. 13-118
A26-078
Insufficient cooling.
Frosted
high
pressure
liquid line.
Insufficient cooling.
13-44
Drier clogged, or restric-
tion in high pressure line.
Internal problem
in
com-
pressor, or damaged gasket
and valve.
Corrective action
• Check condenser fan
motor.
• Check condenser for
dirt accumulation.
• Check engine cooling
system for overheat.
• Check for refrigerant
overcharge.
NOTE:
If pressure remains high in
spite of all above actions
taken, remove and inspect
the condenser for possible
oil clogging.
1. Discharge system.
2. Remove receiver drier
or strainer and replace
it.
3. Evacuate and charge
system.
1. Discharge system.
2. Remove and check
com pressor.
3. Repair or replace com-
pressor.
4. Check oil level.
5. Replace receiver drier.
6. Evacuate and charge
system.
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