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

Subaru Legacy BN/BS (2015-2019) Service Manual / Fuel injection (fuel systems)(h6do) / Front oxygen (a f) sensor / Installation

CAUTION:

If lubricant is spilt over the exhaust pipe, wipe it off 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)

3. Connect the connector (A) of front oxygen (A/F) sensor.

4. Install the clip (B) securing the front oxygen (A/F) sensor harness. (LH side only)

• RH side

• LH side

5. Lower the vehicle.

6. Connect the ground terminal to battery sensor. NOTE

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.Terminal No.Standard3 and 42.0+0.42 &minus ...

Fuel delivery and evaporation lines

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Other materials:

Preparation tool
1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS899524100PULLER SETUsed for removing the front differential taper roller bearing.(1) Puller(2) Cap399780104WEIGHTUsed for adjusting preload on the front differential taper roller bearing.498077000REMOVER• Used for removing the roller bear ...