F 150 4WD Pickup V8-4.6L SOHC VIN W (1998)
4. Remove the EGR valve to exhaust manifold tube.
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Disconnect the upper and lower EGR valve to exhaust manifold tube fittings.
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Disconnect the two DPFE hoses.
5. Lift the fuel charging wiring off of the valve cover studs.
NOTE:
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The intake manifold is removed for clarity.
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The bolts are part of the valve cover and should not be removed.
6. Remove the LH valve cover.
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Fully loosen the bolts and remove the valve cover.
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Inspect the valve cover gasket and clean the mating surface of the cylinder head.
INSTALLATION
NOTE: If not secured within 4 minutes, the sealant must be removed and the sealing area cleaned with Metal Surface Cleaner F4AZ-19A536-A or
equivalent meeting Ford specification WSE-MSB392-RA. Allow to dry until there is no sign of wetness, or 4 minutes, whichever is longer. Failure
to follow this procedure can cause future oil leakage.
1. Apply a bead of silicone in two places where the engine front cover meets the cylinder head.
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Use Silicone Gasket and Sealer F6AZ-19562-AA or equivalent meeting Ford specification WSE-M4G323-A6.
