Heated Oxygen Sensor Before Catalytic Converter, Bank 1

Heated Oxygen Sensor before Catalytic Converter, Bank 1

Special tools, testers and auxiliary items required

• Ring Spanner 7-piece Set (3337)

Removing

• All cable ties unfastened or cut open on removal are to be re-attached in same position on installation.

- Remove rear engine cover - arrows -.





- Remove cover - 1 - on right side of engine compartment.





- Remove air hose - arrows -.





- Take connectors - 1 - to - 4 - out of holder on right of bulkhead.





- Disconnect connector - 2 -.

- Lay free the oxygen sensor probe wiring.

- Remove Heated Oxygen sensor (HO2S) - arrow - using Support Tool (3369).





• Illustration shows engine removed.

Installing

Install in reverse order, paying attention to the following:

• Thread of new Heated Oxygen sensor (HO2S) is coated with assembly paste which must not be allowed to ingress into openings in probe.

• Re-attach all cable ties in same location on installation.

• Secure all hose connections with standard hose clamps.

Tightening Specifications





* If a Heated Oxygen sensor (HO2S) is to be re-used, grease thread only with hot bolt paste. The hot bolt paste must not be allowed to go into openings in probe.