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

Subaru Legacy BN/BS (2015-2019) Service Manual / Fuel injection (fuel systems)(h6do) / Rear oxygen sensor / Removal

1. Disconnect the ground terminal from battery sensor. NOTE

2. Lift up the vehicle.

3. Remove the front exhaust pipe. Front Exhaust Pipe > REMOVAL

4. Apply spray-type lubricant (004301003) or equivalent to the threaded portion of rear oxygen sensor, and leave it for one minute or more.

5. Remove the rear oxygen sensor.

CAUTION:

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

(A)

Rear oxygen sensor RH

(B)

Rear oxygen sensor LH

Inspection

1. Check that the rear oxygen sensor has no deformation, cracks or other damages.2. Measure the resistance between rear oxygen sensor terminals.Terminal No.Standard1 and 25.6+0.8 −0.6 - (when 20 ...

Other materials:

Removal
1. Remove the collector cover.(1) Carefully pull up the rear of collector cover at two positions (A).(2) Carefully pull up the front of collector cover at two positions (B) while moving it forward.2. Disconnect the ground terminal from battery sensor. NOTE3. Loosen the clamp (A) securing the air in ...