Subaru Outback (BR): Heater and Cooling Unit
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Using the refrigerant recovery system, discharge refrigerant. <Ref. to AC-24, PROCEDURE, Refrigerant Recovery Procedure.>
3) Drain the coolant from the radiator.
- H4 non-turbo model: <Ref. to CO(H4SO)-14, DRAINING OF ENGINE COOLANT, REPLACEMENT, Engine Coolant.>
- H4 turbo model: <Ref. to CO(H4DOTC)-14, DRAINING OF ENGINE COOLANT, REPLACEMENT, Engine Coolant.>
- H6 model: <Ref. to CO(H6DO)-12, DRAINING OF ENGINE COOLANT, REPLACEMENT, Engine Coolant.>
4) Remove the connector and bolts, and remove the high-pressure hose and AC pipe from the expansion valve.
5) Loosen the heater hose clamps and remove the hoses.
6) Remove the instrument panel assembly. <Ref. to EI-76, REMOVAL, Instrument Panel Assembly.>
7) Remove the engine control module (ECM).
- Release the lock and remove the relay holder.
- Remove the nuts, and remove the engine control module (ECM).
8) Remove the heater and cooling unit.
- Remove the bolt and remove the heater and cooling unit.
9) Remove the blower motor unit assembly.
- Release the claws and remove the bolts.
- Remove the blower motor unit assembly as shown in the figure.
B: INSTALLATION
CAUTION:
- Do not start the engine before charging refrigerant.
- If the engine is started with no refrigerant charge, replace the compressor.
- Replace O-rings and pipe clamps with new parts and install securely.
1) Install each part in the reverse order of removal.
NOTE: Refer to "INSTALLATION" of "Instrument Panel Assembly". <Ref. to EI-95, INSTALLATION, Instrument Panel Assembly.>
2) Fill engine coolant.
- H4 non-turbo model: <Ref. to CO(H4SO)-14, FILLING OF ENGINE COOLANT, REPLACEMENT, Engine Coolant.>
- H4 turbo model: <Ref. to CO(H4DOTC)-14, FILLING OF ENGINE COOLANT, REPLACEMENT, Engine Coolant.>
- H6 model: <Ref. to CO(H6DO)-12, FILLING OF ENGINE COOLANT, REPLACEMENT, Engine Coolant.>
3) Charge refrigerant. <Ref. to AC-25, PROCEDURE, Refrigerant Charging Procedure.>
Tightening torque:
Heater cooling unit: <Ref. to AC-6, HEATER COOLING UNIT, COMPONENT, General
Description.>
Blower motor unit: <Ref. to AC-8, BLOWER MOTOR UNIT, COMPONENT, General
Description.>
READ NEXT:
Evaporator
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Using the refrigerant recovery system, discharge refrigerant. <Ref. to AC-24,
PROCEDURE, Refrigerant
Recovery Procedure.>
3) Drain t
Expansion Valve
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Using the refrigerant recovery system, discharge refrigerant. <Ref. to AC-24,
PROCEDURE, Refrigerant
Recovery Procedure.>
3) Remove
Pressure Sensor
A: INSPECTION
1) Perform a diagnosis code (DTC) check by connecting the Subaru Select
Monitor.
2) If any diagnosis code (DTC) is displayed, refer to "List of Diagnostic
Trouble Code (DTC)" in "HVAC
SEE MORE:
Throttle Body
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the cover (A) and clip (B) from air intake
boot assembly.
3) Loosen the clamp (A) which connects the air intake
boot assembly and air cleaner case.
4) Loosen the clamp (B) which connects the air intake
boot assembly and throttle bo
Low tire pressure warning light (U.S.-spec. models)
When the ignition switch is turned to the “ON” position, the low tire pressure
warning light will illuminate for approximately 2 seconds to check that the tire
pressure monitoring system (TPMS) is functioning properly. If there is no problem
and all tires are properly inflated, the light
