Section 5 - Maintenance
Page 68 90-864197070 JUNE 2007
6. Thread filter onto the mounting bracket and tighten securely by hand. Do not use a filter
wrench.
a
b
c
6527
a - Fuel filter mounting bracket
b - Sealing ring
c - Fuel filter
7. Open fuel supply valve, if equipped.
8. Ensure that engine compartment is properly ventilated.
9. Supply cooling water to the engine.
10. Start the engine. Check for gasoline leaks around the fuel filter assembly. If leaks exist,
stop the engine immediately. Recheck the filter installation, wipe up any spilled fuel,
and properly ventilate the engine compartment. If leaks continue, stop engine
immediately and contact your authorized Mercury MerCruiser dealer.
GEN III Models
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.
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