Subaru Legacy BN/BS (2015-2019) Service Manual: Front oxygen (a f) sensor

Installation

1. Set the engine wiring harness to the engine, and connect the connector.NOTE:• If the clip is damaged, replace it with a new part.• Before replacing the clip, put an alignment mark (a) o ...

Removal

1. Disconnect the ground terminal from battery sensor. NOTE2. Lift up the vehicle.3. Remove the under cover. Front Under Cover > REMOVAL4. Disconnect the front oxygen (A/F) sensor connector, and rem ...

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. Drain engine coolant. Engine Coolant > ...