300E (124.030) L6-3.0L (103.983) (1986)
Valve Cover: Service and Repair
REMOVAL
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Open hood and release locks. Raise to the vertical position.
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Unclip catches (arrow) of high voltage distributor cover (1) and lift up out of the guides.
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Unclip spark plug cable bracket (4) with a screwdriver. Unplug spark plug cables and place to the side with cable bracket.
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Remove vent hose (5) with vacuum hose (6) from air cleaner.
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Remove vent hose (7a) from valve cover.
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Remove eight bolts (28) with washers and remove valve cover.
CAUTION: If valve cover is difficult to remove, do not strike cover with a hammer (risk of cracking and fracturing).
INSTALLATION
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Inspect valve cover gasket and replace if necessary.
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Place valve cover on cylinder head and install the eight bolts (28) with washers. Torque bolts to 8.5 Nm (6.5 ft lb).
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Install vent hoses (7a) and (5 with vacuum hose 6).
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Install spark plug cable bracket and reconnect spark plug cables.
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Install high voltage distributor cover (1).
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Run engine and check for leaks, particularly at the rear (arrow).