Subaru Outback manuals

Subaru Outback: Oil Temperature Sensor

A: REMOVAL

1) Disconnect the ground cable from battery.

Subaru Outback. Fuel Injection (Fuel Systems)

2) Remove the cover (A) and clip (B) from air intake boot assembly.

Subaru Outback. Fuel Injection (Fuel Systems)

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 body.

Subaru Outback. Fuel Injection (Fuel Systems)

5) Remove the air intake boot from the throttle body, and move it to the left side wheel apron.

Subaru Outback. Fuel Injection (Fuel Systems)

6) Disconnect the connector from oil temperature sensor.

7) Remove the oil temperature sensor.

Subaru Outback. Fuel Injection (Fuel Systems)

B: INSTALLATION

Install in the reverse order of removal.

NOTE: Apply liquid gasket to the oil temperature sensor threads.

Liquid gasket: THREE BOND 1324 (Part No. 004403042) or equivalent

Tightening torque: 18 N*m (1.8 kgf-m, 13.3 ft-lb)

Subaru Outback. Fuel Injection (Fuel Systems)

NOTE: Align the clamp hole with the protrusion of the air intake boot assembly.

Subaru Outback. Fuel Injection (Fuel Systems)

Tightening torque:
Clamp (A), (B)
3 N*m (0.3 kgf-m, 2.2 ft-lb)

Subaru Outback. Fuel Injection (Fuel Systems)

C: INSPECTION

1) Check that the oil temperature sensor has no deformation, cracks or other damages.

2) Check the resistance between the oil temperature sensor terminals.

Subaru Outback. Fuel Injection (Fuel Systems)

Front Oxygen (A/F) Sensor

A: REMOVAL

1) Disconnect the ground cable from battery.

Subaru Outback. Fuel Injection (Fuel Systems)

2) Remove the air intake duct.

3) Disconnect the front oxygen (A/F) sensor connector, and remove the clip holding the front oxygen (A/F) sensor harness.

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor connector
  2. Rear oxygen sensor connector
  3. Clip

4) Lift up the vehicle.

5) Remove the under cover.

6) Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.

7) Remove the front oxygen (A/F) sensor.

CAUTION: When removing the front oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor
  2. Rear oxygen sensor

B: INSTALLATION

CAUTION: If lubricant is spilt onto the exhaust pipe, wipe it off completely with cloth to avoid emission of smoke or causing a fire.

1) Before installing front oxygen (A/F) sensor, apply anti-seize compound only to the threaded portion of front oxygen (A/F) sensor to make the next removal easier.

CAUTION: Never apply anti-seize compound to the protector of front oxygen (A/F) sensor.

Anti-seize compound: NEVER-SEEZ NSN, JET LUBE SS-30 or equivalent

2) Install the front oxygen (A/F) sensor.

Tightening torque: 21 N*m (2.1 kgf-m, 15.5 ft-lb)

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor
  2. Rear oxygen sensor

3) Install the under cover.

4) Lower the vehicle.

5) Connect the front oxygen (A/F) sensor connector, and secure the front oxygen (A/F) sensor harness by using the clip.

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor connector
  2. Rear oxygen sensor connector
  3. Clip

6) Install the air intake duct.

7) Connect the battery ground terminal.

Subaru Outback. Fuel Injection (Fuel Systems)

C: INSPECTION

1) Check that the front oxygen (A/F) sensor has no deformation, cracks or other damages.

2) Measure the resistance between front oxygen (A/F) sensor terminals.

Subaru Outback. Fuel Injection (Fuel Systems)

Rear Oxygen Sensor

A: REMOVAL

1) Disconnect the ground cable from battery.

Subaru Outback. Fuel Injection (Fuel Systems)

2) Remove the air intake duct.

3) Disconnect the rear oxygen sensor connector, and remove the clip holding the rear oxygen sensor harness.

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor connector
  2. Rear oxygen sensor connector
  3. Clip

4) Lift up the vehicle.

5) Remove the under cover.

6) Apply spray-type lubricant to the threaded portion of rear oxygen sensor, and leave it for one minute or more.

7) Remove the rear oxygen sensor.

CAUTION: When removing the rear oxygen sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor
  2. Rear oxygen sensor

B: INSTALLATION

CAUTION: If lubricant is spilt onto the exhaust pipe, wipe it off completely with cloth to avoid emission of smoke or causing a fire.

1) Before installing rear oxygen sensor, apply the anti-seize compound only to the threaded portion of rear oxygen sensor to make the next removal easier.

CAUTION: Never apply anti-seize compound to the protector of rear oxygen sensor.

Anti-seize compound: NEVER-SEEZ NSN, JET LUBE SS-30 or equivalent

2) Install the rear oxygen sensor.

Tightening torque: 21 N*m (2.1 kgf-m, 15.5 ft-lb)

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor
  2. Rear oxygen sensor

3) Install the under cover.

4) Lower the vehicle.

5) Connect the rear oxygen sensor connector, and hold the rear oxygen sensor harness with the clip.

Subaru Outback. Fuel Injection (Fuel Systems)

  1. Front oxygen (A/F) sensor connector
  2. Rear oxygen sensor connector
  3. Clip

6) Install the air intake duct.

7) Connect the battery ground terminal.

Subaru Outback. Fuel Injection (Fuel Systems)

C: INSPECTION

1) Check that the rear oxygen sensor has no deformation, cracks or other damages.

2) Measure the resistance between rear oxygen sensor terminals.

Subaru Outback. Fuel Injection (Fuel Systems)

Engine Control Module (ECM)

A: REMOVAL

1) Disconnect the ground cable from battery.

Subaru Outback. Fuel Injection (Fuel Systems)

2) Remove the glove box lid assembly.

3) Remove the connectors from ECM.

Subaru Outback. Fuel Injection (Fuel Systems)

4) Remove the ECM from vehicle.

Subaru Outback. Fuel Injection (Fuel Systems)

B: INSTALLATION

Install in the reverse order of removal.

CAUTION:

NOTE: When replacing the ECM, be careful not to use the wrong spec. ECM to avoid any damage on the fuel injection system.

Tightening torque: 7.5 N*m (0.8 kgf-m, 5.5 ft-lb)

C: INSPECTION

Check that the ECM has no deformation, cracks or other damages.

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 Main Relay

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