F 150 4WD V8-5.4L Flex Fuel (2008)
6. NOTE: Install new exhaust manifold nuts.
Remove and discard the 8 exhaust manifold nuts.
^
To install, tighten to 25 Nm (18 lb-ft) in the sequence shown.
7. NOTE: Install new exhaust manifold-to-cylinder head studs.
Remove and discard the 8 exhaust manifold-to-cylinder head studs.
^
To install, tighten to 12 Nm (9 lb-ft).
8. Remove the RH exhaust manifold and discard the exhaust manifold gaskets.
9. 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 sealing surfaces with metal surface prep. Follow the directions on the packaging.
10. Inspect the exhaust manifold for flatness.
11. To install, reverse the removal procedure.
