Land Rover Defender: Catalytic Converter - Ingenium I4 2.0l Petrol

REMOVAL AND INSTALLATION

SPECIAL TOOL(S)

JLR-303-1666

Remover/Installer, NOx/Oxygen Sensor

PART(S)

REMOVAL

WARNING: Observe due care when working near a hot exhaust system.

NOTE:

• This procedure contains some variation in the illustration depending on the vehicle specification, but essential information is always correct.
• This procedure contains illustrations showing certain components removed to provide extra clarity.

The following step(s) applies to: All vehicles

1. Raise and support the vehicle on a suitable 2 post lift.

2. Remove the exhaust system.

3. Remove the starter motor.

4. Remove the engine cover.

5.

Disconnect the Heated Oxygen Sensor (HO2S) electrical connector.

6.

• Remove the 2 bolts.
• Remove the heatshield.

7.

• Remove the exhaust clamp bolt.
• Release the clamp.

8.

• Disconnect the 2 HO2S electrical connectors.
• Release the wiring harness from the clip.

The following step(s) applies to: NAS vehicles

9.

• Remove the ground cable bolt.
• Reposition the ground cable away from the subframe.

The following step(s) applies to: All vehicles

10.

• Release the hose clip.
• Release the Gasoline Particulate Filter (GPF) pressure sensor hose.
• Reposition the hose away from the exhaust.

11.

• Remove the 2 catalytic converter mounting bracket bolts.

12.

• Remove the catalytic converter and GPF assembly.
• Remove and discard the clamp.
• Remove and discard the gasket.

13.

CAUTION: If accidentally dropped or knocked install a new sensor.

NOTE: Do not disassemble further if the component is removed for access only.

• Use the special tool to remove the 3 HO2S sensors.

  Special Tool(s): JLR-303-1666

INSTALLATION

The following step(s) applies to: All vehicles

1.

CAUTION: If accidentally dropped or knocked install a new sensor.

NOTE: This step is only required if previously removed.

• Use the special tool to install and tighten the 3 Heated Oxygen Sensors (HO2S) Special Tool(s): JLR-303-1666.

  Torque: 48Nm

2.

• Install the new gasket.

  Renew Part: Catalytic converter to turbocharger gasket Quantity: 1.

• Install the catalytic converter and Gasoline Particulate Filter (GPF) assembly.
• Install but do not fully tighten the new catalytic converter to turbocharger clamp.

  Renew Part: Catalytic converter to turbocharger clamp Quantity: 1.

• Install but do not fully tighten the 2 catalytic converter bracket bolts.

3.

• Fully tighten the catalytic converter to turbocharger clamp.

  Torque: 18Nm

• Fully tighten the 2 catalytic converter mounting bracket bolts.

  Torque: 25Nm

4.

• Install the GPF differential pressure sensor pipe.
• Install the GPF differential pressure sensor pipe clip.

The following step(s) applies to: NAS vehicles

5. Install and tighten the ground cable bolt.

Torque: 10Nm

The following step(s) applies to: All vehicles

6.

• Install the wiring harness into the clip.
• Connect the 2 HO2S electrical connectors.

7.

• Install the heatshield.
• Install and tighten the 2 heatshield bolts.

  Torque: 8Nm

8. Connect the HO2S electrical connector.

9. Install the starter motor.

10. Install the exhaust system.

11. Install the engine cover.

READ NEXT: