Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 2
HEATED OXYGEN SENSOR (HO2S) REPLACEMENT BANK 1 SENSOR 2TOOLS REQUIRED
J 39194-C Oxygen Sensor Wrench
REMOVAL PROCEDURE
1. Turn the ignition OFF.
IMPORTANT: Bank 1 are cylinders 1, 3, and 5 which are the closest to the front of the dash.
2. Disconnect the bank 1 heated oxygen sensor 2 harness connector (2).
3. Disconnect the connectors from the retaining bracket.
4. Remove the heated oxygen sensor connector retaining bracket and bolt.
5. Raise and support the vehicle. Refer to Vehicle Lifting.
6. Remove the heated oxygen sensor wiring harness bracket and bolt.
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.
7. Remove the bank 1 heated oxygen sensor 2 using the J 39194-C.
INSTALLATION PROCEDURE
1. Apply a small amount of anti-seize compound SA P/N 21485279, or equivalent, to the threads of the heated sensor 2.
2. Install the bank 1 heated oxygen sensor 2 using the J 39194-C.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the oxygen sensor to 44 N.m (33 lb ft).
3. Install the heated oxygen sensor wiring harness bracket and bolt.
Tighten the bolt to 10 N.m (89 lb in).
4. Lower the vehicle.
5. Install the heated oxygen sensor connector retaining bracket and bolt.
Tighten the bolt to 10 N.m (89 lb in).
6. Connect the bank 1 heated oxygen sensor 2 harness connector (2). Make sure the locking tab is in the full closed position.
7. Connect the connectors to the retaining bracket.
8. Start the engine and make sure no exhaust leaks exist.