Catalytic Converter - RH

Catalytic Converter - RH, 3.5L GTDI

Removal

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 Jacking and Lifting Service and Repair.

2. Remove the RH front wheel and tire. For additional information, refer to Wheels and Tires Removal and Replacement.

3. Disconnect the RH Heated Oxygen Sensor (HO2S) electrical connector.
- Detach the HO2S electrical connector retainer from the bracket.

4. Remove the LH and RH exhaust flexible pipes. For additional information, refer to Exhaust Flexible Pipe - LH LH - Exhaust Flexible Pipe and Exhaust Flexible Pipe - RH RH - Exhaust Flexible Pipe.

5. Disconnect the RH Catalyst Monitor Sensor (CMS) electrical connector.

6. Remove the 3 RH catalytic converter-to-turbocharger nuts and the converter.
- Discard the nuts and gasket.

Installation

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

- Tighten to 25 Nm (18 lb-ft).

2. NOTICE: Failure to tighten the RH catalytic converter manifold-to-turbocharger nuts to specification a second time will cause the RH catalytic converter manifold-to-turbocharger to develop an exhaust leak.

NOTICE: Prior to installation, inspect the HO2S and the CMS wiring harness for damage.

Using a new gasket and 3 new nuts, install the RH catalytic converter manifold to the turbocharger. Tighten the RH catalytic converter manifold in 2 stages.

- Stage 1: Tighten to 40 Nm (30 lb-ft).

- Stage 2: Tighten to 40 Nm (30 lb-ft).

3. Connect the RH Catalyst Monitor Sensor (CMS) electrical connector.

4. Install the LH and RH exhaust flexible pipes. For additional information, refer to Exhaust Flexible Pipe - LH LH - Exhaust Flexible Pipe and Exhaust Flexible Pipe - RH RH - Exhaust Flexible Pipe.

5. Connect the RH Heated Oxygen Sensor (HO2S) electrical connector.
- Attach the HO2S electrical connector retainer to the bracket.

6. Install the RH front wheel and tire. For additional information, refer to Wheels and Tires Removal and Replacement.