Subaru Legacy 2003 Service Manual page 3422

HVAC SYSTEM (HEATER, VENTILATOR
AND A/C)
1. General Description ....................................................................................2
2. Refrigerant Pressure with Manifold Gauge Set.........................................22
3. Refrigerant Recovery Procedure...............................................................23
4. Refrigerant Charging Procedure ...............................................................24
5. Refrigerant Leak Check ............................................................................27
6. Compressor Oil .........................................................................................29
7. Heater Unit ................................................................................................30
8. Blower Motor Assembly ............................................................................31
9. Heater Blower Resistor .............................................................................32
10. Heater Core...............................................................................................33
11. Control Unit ...............................................................................................34
12. Compressor...............................................................................................35
13. Condenser.................................................................................................37
14. Receiver Drier ...........................................................................................39
15. Intake Unit .................................................................................................40
16. Flexible Hose ............................................................................................42
17. Relay and Fuse .........................................................................................43
18. Pressure Switch (Dual Switch)..................................................................45
19. Pressure Switch (Triple Switch) ................................................................46
20. Ambient Sensor (Auto A/C).......................................................................47
21. Sunload Sensor (Auto A/C).......................................................................48
22. Air Vent Grille ............................................................................................49
23. Heater Duct ...............................................................................................50
24. Heater Vent Duct.......................................................................................51
25. General Diagnostics..................................................................................52
AC
Page