Changing Water Separating Fuel Filter - Mercury mercruiser User Manual

Avoid gasoline fire or explosion. Gasoline is extremely flammable and highly explosive
under certain conditions. Never use gasoline as a cleaning solvent.
1. Remove the engine cover.
2. Remove the IAC muffler.
3. Inspect the IAC muffler for damage such as, holes, cracks or deterioration. Replace
the IAC muffler if damaged.
IMPORTANT: Do not use cleaner containing methyl ethyl ketone.
IMPORTANT: Do not get cleaner on electrical connections.
4. Clean or replace the IAC muffler if grey or black, as the muffler should be white.
5. Clean the IAC muffler with warm water and a mild detergent.
6. Allow the IAC muffler to completely air dry before use.
7. Reinstall the IAC muffler.

Changing Water Separating Fuel Filter

Avoid serious injury or death from a gasoline fire or explosion; gasoline is extremely
flammable and highly explosive under certain conditions. When servicing the fuel system
components ensure that the engine is cool, the ignition switch is in the off position, and
that the lanyard stop switch, if equipped, is in the off position. Do not smoke or allow
spark or open flame in the area. Wipe up any spilled fuel immediately. Ensure that no
fuel leaks exist before closing the engine hatch.
1. Allow the engine to cool down.
NOTE: Mercury MerCruiser recommends that the engine be shut off for 12 hours prior to
filter removal.
2. Close fuel supply valve, if equipped.
3. Disconnect the Cool Fuel Module harness from the engine wiring harness.
4. Turn the key switch to the start position and allow the starter to operate for 5 seconds.
5. Turn key switch to off position.
90-864839060 MAY 2006
IAC muffler installed in the throttle body
a - IAC muffler
WARNING
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a
18495
WARNING
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Section 5 - Maintenance
Page 71