Exhaust Manifold - LH
Exhaust Manifold - LHMaterial:
Removal
1. Remove the LH catalytic converter. For additional information, refer to Catalytic Converter.
2. Remove the LH heated oxygen sensor (HO2S). For additional information, refer to Computers and Control Systems.
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 ft. lbs).
2. Using a new gasket, install the LH exhaust manifold and 6 new nuts.
^ Tighten in the sequence shown to 20 Nm (15 ft. lbs).
3. Install the LH exhaust manifold heat shield and the 3 bolts.
^ Tighten to 25 Nm (18 ft. lbs).
4. Install the LH HO2S.
5. Install the LH catalytic converter. For additional information, refer to Catalytic Converter.