Heated Oxygen Sensor (HO2S) Removal/Installation

HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [MZI 3.7 V6]

WARNING:
- A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.

HO2S (LH) Removal/Installation

1. Disconnect the negative battery cable. Removal and Replacement

2. Disconnect the HO2S (LH) connector.
NOTE:
- If necessary, lubricate the HO2S (LH) with Penetrating and Lock Lubricant loosen to aid in removal.

3. Remove the HO2S (LH) using the SST.






NOTE:
- Apply a light coat of anti-seize lubricant to the threads of the HO2S.

4. Install in the reverse order of removal.

HO2S (RH) Removal/Installation

1. Disconnect the negative battery cable. Removal and Replacement

2. Remove the following part for easier access.

- Windshield wiper arm and blade Service and Repair
- Cowl grille Cowl Grille Removal/Installation
- Windshield wiper motor Removal and Replacement
- Cowl panel Cowl Panel Removal/Installation

3. Disconnect the HO2S (RH) connector.

4. Remove the front wheel and tire (RH). Service and Repair

5. Remove the splash shield (RH). Service and Repair

6. Disconnect the front drive shaft (RH) from the transaxle side. Drive Shaft Removal/Installation
NOTE:
- If necessary, lubricate the HO2S (RH) with Penetrating and Lock Lubricant loosen to aid in removal.

7. Remove the HO2S (RH) using the SST.






NOTE:
- Apply a light coat of anti-seize lubricant to the threads of the HO2S.

8. Install in the reverse order of removal.