F 450 2WD Super Duty V8-5.4L SOHC VIN L (2003)
cause scratches and gouges that make leak paths. Use a plastic scraper to clean all traces of old sealant.
NOTE: The intake manifold is shown removed for clarity. The bolts are part of the valve cover and should not be removed.
Remove the LH valve cover.
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Fully loosen the bolts and remove the valve cover.
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Clean the valve cover mating surface of the cylinder head with silicone gasket remover and metal surface prep. Follow the directions on the
packaging.
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Inspect the valve cover gasket. If the gasket is damaged, remove and discard the gasket. Clean the valve cover gasket groove with soap and
water or a suitable solvent.
Installation
1. If a new gasket is being installed, apply instant adhesive completely around the gasket groove in the valve cover. Install the new valve cover
gasket.
2. NOTE: If not secured within four minutes, sealant must be removed and the sealing area cleaned. To clean the sealing area, follow the directions
provided on the packaging of the silicone gasket remover and the metal surface prep. Failure to follow this procedure can cause future oil leakage.
Apply a bead of silicone gasket and sealant in two places where the engine front cover meets the cylinder head.
3. Position the valve cover and the valve cover gasket on the cylinder head. Loosely install the bolts.