F 150 2WD Pickup V8-4.6L VIN W (2006)
8. Inspect the exhaust manifold for flatness.
Installation
1. 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.
2. Install 8 new exhaust manifold-to-cylinder head studs.
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Tighten to 12 Nm (9 ft. lbs.).
3. NOTE: Install a new exhaust manifold gasket and new nuts.
Position the gaskets and the LH exhaust manifold and tighten the nuts in the sequence shown.
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Tighten to 25 Nm (18 ft. lbs.).
4. Install the EGR system module-to-exhaust manifold tube.
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Tighten to 40 Nm (30 ft. lbs.).
5. Position the Y-pipe flange and install the 2 nuts.
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Tighten to 40 Nm (30 ft. lbs.).
6. Install the LH inner fenderwell.
