Honda Civic manuals

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

1. Disconnect the ground terminal from battery sensor. NOTE

2. Lift up the vehicle.

3. Remove the under cover. Front Under Cover > REMOVAL

4. Disconnect the rear oxygen sensor connector.

(A)

Front oxygen (A/F) sensor connector

(B)

Rear oxygen sensor connector

(C)

Clip

5. Remove the front mud guard RH. Mud Guard > REMOVAL

6. Apply spray-type lubricant (004301003) or equivalent 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.

Rear oxygen sensor
...

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+1.7 −0.6 - (when 20 ...

Other materials:

Caution
1. When replacing the occupant detection system, or removing or disassembling the passenger’s seat, always perform «Rezero» of the occupant detection system after installing a seat in the vehicle. Rezero2. The occupant detection system (passenger seat only) control module and the occupant d ...

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