XJ-6 L6-4.2L (1983)
Valve Cover Gasket: Service and Repair
REMOVE
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Disconnect the battery.
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Disconnect the spark plug leads.
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Depressurize the fuel system.
-- Release the inlet and outlet fuel pipe union nuts at the fuel cooler.
5. Plug the inlet fuel pipe to prevent fuel syphon.
Figure 13
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Remove the 11 nuts and one screw (1, Fig 13) securing the cover to the head.
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Remove the cover.
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Detach the gasket (2, Fig 13) from the cover and pry the cover seal (3, Fig 13) from the head.
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Carefully clean the joint surfaces of the cover and head.
REFIT
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Apply sealant to the camshaft cover half-moon seal (3, Fig 13) and fit it to the head.
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Put a bead of sealant across the top of the half-moon seal to cover the joint between the seal and the head surface.
NOTE: Be sure both surfaces are clean and dry. DO NOT put any gasket sealer on the cam cover gasket.
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Fit a new gasket to the head and replace the cover.
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Tighten the attachment nuts and screw to 9.5-11 Nm (7-8 ft lb).
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Refit the fuel pipes to the fuel cooler and replace the cooler on air-conditioned cars.
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Reconnect the plug leads, reconnect the battery.