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. For additional information, refer to Vehicle Jacking and Lifting.

2. Remove the LH Heated Oxygen Sensor (HO2S). For additional information, refer to Computers and Control Systems.

3. Remove the LH exhaust flexible pipe. For additional information, refer to Exhaust Flexible Pipe - LH 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.