Exhaust Manifold - LH

Exhaust Manifold - LH













Removal

1. Remove the LH catalytic converter.

2. Remove the LH Heated Oxygen Sensor (HO2S).

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

4. Remove the 6 nuts and the LH exhaust manifold.
- Discard the nuts and gasket.

5. Clean and inspect the LH exhaust manifold.

6. Remove and discard the 6 LH exhaust manifold studs.





7. NOTICE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These may cause scratches and gouges resulting in leak paths. Use a plastic scraper to clean the sealing surfaces.

Clean the exhaust manifold mating surface of the cylinder head with metal surface prep. Follow the directions on the packaging.

Installation

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

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

Using a new gasket, install the LH exhaust 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).





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

4. Install the LH HO2S.

5. Install the LH catalytic converter.