Catalytic Converter — RH Manifold, 3.5L Ti-VCT

Removal

All vehicles

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 Section 100-02 .

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

3. Disconnect the RH Heated Oxygen Sensor (HO2S) electrical connector.

4. Remove the 4 bolts and the RH catalytic converter heat shield.

5. Remove the exhaust Y-pipe. For additional information, refer to Exhaust Y-Pipe in this section.

6. Remove the 4 bolts and position aside the Electronic Power Assist Steering (EPAS) shield.

All-Wheel Drive (AWD) vehicles

7. Remove the transaxle support insulator - anti roll, 3.5L Ti-VCT. For additional information, refer to Section 307-01 .

All vehicles

8. Remove the 6 nuts and the RH catalytic converter manifold.
   • Discard the nuts and RH catalytic converter manifold gasket.

9. Remove and discard the 6 RH catalytic converter manifold studs.

Installation

All vehicles

1. Install 6 new RH catalytic converter manifold studs.
   • Tighten to 12 Nm (106 lb-in).

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

   Using a new gasket, install the RH catalytic converter manifold and 6 new nuts. Tighten in 2 stages in the sequence shown:
   • Stage 1: Tighten to 20 Nm (177 lb-in).
   • Stage 2: Tighten to 25 Nm (18 lb-ft).

All-Wheel Drive (AWD) vehicles

3. Install the transaxle support insulator - anti roll, 3.5L Ti-VCT. For additional information, refer to Section 307-01 .

All vehicles

4. Position back the Electronic Power Assist Steering (EPAS) shield and install the 4 bolts
   • Tighten to 11 Nm (97 lb-in).

5. Install the exhaust Y-pipe. For additional information, refer to Exhaust Y-Pipe in this section.

6. Install the RH catalytic converter manifold heat shield, Catalyst Monitor Sensor (CMS) wiring harness bracket and the 4 bolts.
   • Tighten to 10 Nm (89 lb-in).

7. Connect the RH Heated Oxygen Sensor (HO2S) electrical connector.

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