Subaru Legacy BN/BS (2015-2019) Service Manual: Removal

Subaru Legacy BN/BS (2015-2019) Service Manual / Hvac system (heater ventilator and a c) / Heater and cooling unit / Removal

CAUTION:

Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION

1. Disconnect the ground terminal from the battery sensor, and wait for at least 60 seconds before starting work. NOTE

2. Using the refrigerant recovery system, discharge refrigerant. Refrigerant Recovery Procedure > PROCEDURE

3. Drain the coolant from the radiator.

• H4 model: Engine Coolant > REPLACEMENT

• H6 model: Engine Coolant > REPLACEMENT

4. Disconnect the hose - pressure suction and the pipe - evaporator cooling.

CAUTION:

Seal the disconnected hose, pipe and engaging part of expansion valve with a plug or vinyl tape to prevent foreign matter from entering.

(1) Disconnect the connector.

(2) Detach the clips and bolts, and detach the hose - pressure suction and the pipe - evaporator cooling.

5. Loosen the heater hose clamps and detach the hoses.

NOTE:

Put alignment marks to hoses, clamps, etc.

6. Remove the instrument panel assembly and the beam COMPL - steering. Instrument Panel Assembly > REMOVAL

7. Remove the heater and cooling unit assembly.

(1) Remove the clips, and remove the duct - console front.

(2) Remove the hose - heater drain.

(3) Turn over the floor carpet and remove the slide lock of the duct - rear heater.

(4) Remove the bolt and remove the heater and cooling unit assembly.

8. Remove the blower motor unit assembly. Blower Motor Unit Assembly > REMOVAL

CAUTION:

• Do not detach the immobilizer control module except when replacing the blower motor unit assembly.

• Replace the air duct cover LWR with a new part when the immobilizer control module is removed. If the air duct cover LWR is reused, screw tightening force is reduced and the immobilizer control module may be detached due to vibration while driving.

Heater and cooling unit

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Installation

CAUTION:• Do not start the engine before charging refrigerant.• If the engine is started with no refrigerant charge, replace the compressor assembly.• Replace O-rings and pipe clamps ...

Other materials:

Radio waves used for the keyless access with push-button start system
The keyless access with push-button start system uses radio waves of 134 kHz, in addition to the radio waves used for the remote keyless entry system. The radio waves are periodically output from the antennas installed on the vehicle as shown in the following illustrations. Legacy &nb ...