F 250 4WD Pickup V8-5.4L SOHC VIN L (1999)
20. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These
tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.
NOTE: The bolts are part of the valve cover and cannot be removed.
Loosen the bolts and remove the valve cover.
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Remove the valve cover gasket. Clean and inspect the mating surface.
Installation
All Vehicles
1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These
tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.
NOTE: If the valve cover is not secured within four minutes, the sealant must be removed and the sealing area cleaned with Metal Surface
Cleaner F4AZ-19A536-RA or equivalent meeting Ford specification WSE-M513392-A. Allow to dry until there is no sign of wetness, or four
minutes, whichever is longer. Failure to follow this procedure can cause future oil leakage.
Apply the silicone in two places where the engine front cover meets the cylinder head.
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Use Silicone Gasket and Sealant F6AZ-19562-AA or equivalent meeting Ford specification WSE-M4G323-A6.
