mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Vehicles With Returnless Fuel System|Page 4583 > < Vehicles With Returnless Fuel System|Page 4581
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are always present and may ignite. Failure to follow these instructions may result in personal injury.

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Never use silicone grease to lubricate the O-ring seals as it will clog the injectors.

NOTE:  Install new fuel injector O-ring seals.

1. To install, reverse the removal procedure.

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Lubricate the fuel injector O-ring seals with clean engine oil to aid installation.

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When installing the six fuel injectors begin at the front of the engine and install sequentially working toward the rear.

2. Check the fuel system for fuel leaks.

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