300SL (129.061) L6-3.0L (104.981) (1991)
Fuel Filter: Service and Repair
REPLACING FUEL FILTER
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Remove protective cover by removing mounting bolts (arrows).
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Disconnect fuel line and fuel hose.
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Loosen mounting screws (arrow) pivot holder down and remove filter.
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Install new fuel filter and plastic sleeve in flow direction.
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Sleeve should project on both sides of the holder since contact corrosion may occur if there is direct contact with the holder.
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Replace plastic sleeve, if necessary.
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Reinstall protective cover.