Exhaust Manifold - RH

Exhaust Manifold - RH









Removal

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 3.0L RH catalytic converter. For additional information, refer to Exhaust System Service and Repair.

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

4. Remove the 3 exhaust manifold heat shield bolts and the heat shield.

5. Remove the EGR tube fitting nut from the exhaust manifold.

6. Remove and discard the 6 exhaust manifold nuts.

7. Remove the exhaust manifold and discard the exhaust manifold gasket.

8. Remove and discard the 6 exhaust manifold studs.

9. Clean and inspect the exhaust manifold. For additional information, refer to Engine System - General Information Exhaust Manifold Cleaning and Inspection.

Installation

1. Install the 6 new exhaust manifold studs.
- Tighten to 12 Nm (106 lb-in).

2. NOTICE: Failure to tighten the catalytic converter nuts to specification before installing the converter bracket bolts will cause the converter to develop an exhaust leak.

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

Install a new exhaust manifold gasket, the exhaust manifold and 6 new nuts.

- Tighten the nuts in 2 stages in the sequence shown.
- Stage 1: Tighten to 20 Nm (177 lb-in).

- Stage 2: Tighten to 20 Nm (177 lb-in).





3. Install the EGR tube fitting nut on the exhaust manifold.
- Tighten to 40 Nm (30 lb-ft).

4. Install the exhaust manifold heat shield and the 3 bolts.
- Tighten to 10 Nm (89 lb-in).

5. Connect the HO2S electrical connector.

6. Install the 3.0L RH catalytic converter. For additional information, refer to Exhaust System Service and Repair.