Catalytic Converter - LH

Catalytic Converter - LH, 3.5L GTDI

Removal and Installation

NOTE: Always install new fasteners and gaskets. Clean flange faces prior to new gasket installation to make sure of correct sealing.

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Remove the LH Heated Oxygen Sensor (HO2S).

3. Remove the LH exhaust flexible pipe.

4. Disconnect the LH Catalyst Monitor Sensor (CMS) electrical connector.

5. Remove the 3 LH catalytic converter-to-turbocharger nuts and the catalytic converter.
- Discard the nuts and gasket.

- To install, tighten to 40 Nm (30 lb-ft).

6. Inspect the LH turbocharger-to-catalytic converter studs for damage.
- If damaged or if a stud comes out when removing the nut, replace the stud.

- To install, tighten to 25 Nm (18 lb-ft).

7. To install, reverse the removal procedure.
- Install a new gasket and nuts.