Heated Oxygen Sensor (HO2S) Replacement Bank 2 Sensor 2

HEATED OXYGEN SENSOR (HO2S) REPLACEMENT BANK 2 SENSOR 2

TOOLS REQUIRED
J 39194-C Oxygen Sensor Wrench

REMOVAL PROCEDURE




1. Turn the ignition OFF.

IMPORTANT: Bank 2 are cylinders 2, 4, and 6 which are closest to the front of the vehicle.

2. Disconnect the bank 2 heated oxygen sensor 2 harness connector (2) and disconnect from the retaining bracket.
3. Raise and support the vehicle. Refer to Vehicle Lifting.
4. Remove the left transmission mount just enough to gain access to the heated oxygen sensor.
5. Remove the heated oxygen sensor wiring harness bracket and bolt.




6. Remove the bank 2 heated oxygen sensor 2 using the J 39194-C.

CAUTION: Removal of the sensor is easier if the exhaust system is warmed up slightly. Be careful that it is not too hot to work on safely. Applying penetrating oil to the threads while moving the sensor back and forth will also aid in removal and will decrease the chance of exhaust pipe thread damage.

INSTALLATION PROCEDURE




1. Apply a small amount of the anti-seize compound SA P/N 21485279, or equivalent, to the threads of the heated oxygen sensor.
2. Install the bank 2 heated oxygen sensor 2 using the J 39194-C.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the oxygen sensors (exhaust manifold) to 44 N.m (33 lb ft).




3. Install the heated oxygen sensor wiring harness bracket and bolt.

Tighten the bolt to 40 N.m (30 lb ft).

4. Install the left transmission mount.
5. Lower the vehicle. Refer to Vehicle Lifting.
6. Connect the heated oxygen sensor harness connector (2). Make sure the locking tab is in the full closed position.
7. Start the engine and make sure no exhaust leaks exist.