F 250 2WD Super Duty V8-5.4L (2008)
Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Remove the starter. For additional information, refer to Starting System.
3. Remove the RH inner fenderwell.
4. Remove the 4 exhaust manifold-to-catalytic converter nuts.
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To install, tighten to 40 Nm (30 lb-ft).
5. Remove the 2 bolts and the exhaust manifold heat shield.
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To install, tighten to 10 Nm (89 lb-inch).
6. Remove the 8 nuts, 8 exhaust manifold-to-cylinder head studs and the exhaust manifold.
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Discard the 8 nuts and studs.
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To install, tighten the new exhaust manifold-to-cylinder head studs to 12 Nm (9 lb-ft).
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To install, tighten the new nuts to 25 Nm (18 lb-ft) in the sequence shown.
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.
Remove and discard the exhaust manifold gaskets.
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Clean the sealing surfaces with Motorcraft Metal Surface Prep. Follow the directions on the packaging.
8. Inspect the exhaust manifold.
9. To install, reverse the removal procedure.