Removal and Replacement

Exhaust Manifold - RH









Removal

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

2. Remove the 3.0L RH catalytic converter.

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.

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.