Exhaust Manifold - LH

Exhaust Manifold - LH

Material









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. CAUTION: 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 (9 lb-ft).

2. CAUTION: 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 (15 lb-ft).
^ Stage 2: Tighten to 20 Nm (15 lb-ft).





3. Install the LH exhaust manifold heat shield and the 3 bolts.
^ Tighten to 14 Nm (10 lb-ft).
4. Install the LH HO2S.
5. Install the LH catalytic converter.