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). Splash Shield Removal/Installation

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.