1996 SUBARU LEGACY Service Repair Manual

Page 1393 of 2890

SUBARU LEGACY 1996  Service Repair Manual G4M0599
2. PERFORM A VACUUM LEAK TEST
1) After 15 minutes (or more) of evacuation, close the
high-pressure manifold valve.
2) Close the low-pressure manifold valve.
3) Turn off the vacuum pump.
G4M060

Page 1394 of 2890

SUBARU LEGACY 1996  Service Repair Manual G4M0604
4. INITIAL CHARGING THROUGH THE HIGH SIDE
1) Connect a tachometer to the engine.
2)With the engine off, start charging by slowly opening
the high-pressure manifold valve.
NOTE:
The initial cha

Page 1395 of 2890

SUBARU LEGACY 1996  Service Repair Manual G4M0608
8. CHARGE THE SYSTEM
1) With the refrigerant source connected and the service
hose purged, slowly open the low-pressure manifold valve,
while checking the low-pressure gauge reading.
CAUTION:

Page 1396 of 2890

SUBARU LEGACY 1996  Service Repair Manual 8. Leak Testing
The following points should be kept in mind when conduct-
ing a refrigerant leak test.
1) The A/C system to be tested must have an adequate
refrigerant charge to begin with.
2) The are

Page 1397 of 2890

SUBARU LEGACY 1996  Service Repair Manual G4M0612
4. LEAK TEST — HIGH-PRESSURE SIDE
Operate the A/C system for approx. 10 minutes, then turn
the engine off and begin the leak test.
1) Begin at the connection of the high-pressure tube to the

Page 1398 of 2890

SUBARU LEGACY 1996  Service Repair Manual G4M0615
5. LEAK TEST—LOW-PRESSURE SIDE
1) Begin at the connection of the low-pressure tube to the
evaporator, and work your way along the low-pressure of
the system to the compressor. There are thre

Page 1399 of 2890

SUBARU LEGACY 1996  Service Repair Manual G4M0619
8. CHECK THE SERVICE PORT CAPS
Visually inspect the inside of the service port caps. Make
sure the rubber seal is in place on the inside of the caps.
Disconnect the gauges from the vehicle and

Page 1400 of 2890

SUBARU LEGACY 1996  Service Repair Manual G4M0619
8. CHECK THE SERVICE PORT CAPS
Visually inspect the inside of the service port caps. Make
sure the rubber seal is in place on the inside of the caps.
Disconnect the gauges from the vehicle and