Heated Oxygen Sensor (HO2S), Replacing

Heated oxygen sensors (HO2S), replacing

Special tools:
999 5543 SOCKET NV-22 HO2S 999 5543 Socket NV-22 HO2S

Note! As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential information in the illustrations is always correct.

Replacing front heated oxygen sensors (HO2S)

Removing front heated oxygen sensors (HO2S)




Remove the splashguard under the engine.
Disconnect the connectors for the heated oxygen sensors (HO2S).

Remove:
- the tie strap for the servo hose in the torque rod
- the engine stabilizer brace
- the wiring for the heated oxygen sensors (HO2S) from the clamps
- the heated oxygen sensors (HO2S).

Installing front heated oxygen sensors (HO2S)





Install:
- the heated oxygen sensors (HO2S). Lubricate the studs using paste 116 1408. Tighten to 45 Nm
- the connectors
- the lower engine cover.

Finishing

Install:
- the wiring for the heated oxygen sensors (HO2S) using the clip and the clamps
- the engine stabilizer brace.
Clamp the servo hose to the torque rod using a tie strap.
Test drive the engine.
Check for leakage.

Replacing rear heated oxygen sensors (HO2S)

Removing rear heated oxygen sensors (HO2S)




Remove the splashguard under the engine.
Disconnect the connectors for the heated oxygen sensors (HO2S).
Remove the screws for the front SIPS member.
Slacken off the clamps for the heat deflector for the heated oxygen sensors (HO2S).
Pull back the heat deflector. Install tool 999 5543 SOCKET NV-22 HO2S 999 5543 Socket NV-22 HO2S.
Remove the heated oxygen sensors (HO2S).

Installing rear heated oxygen sensors (HO2S)





Install:
- the heated oxygen sensors (HO2S). Lubricate the studs using paste 116 1408. Tighten to 45 Nm
- the clamps for the heat deflector for the heated oxygen sensors (HO2S)
- the front SIPS member
- the connectors
- the lower engine cover.
Test drive the engine.
Check for leakage.

Erase Diagnostic Trouble Codes (DTCs).

Reset trim.