Gen Iii Models; Removal - MerCruiser 8.1 MAG Owner's Manual

Section 5 - Maintenance

GEN III Models

REMOVAL

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.
6. Loosen each filter assembly retaining screw until the screw is disengaged from the Cool
Fuel Module. Do not remove the filter assembly retaining screws from the filter cap.
7. Unseat the filter assembly by grasping the filter assembly handle and pulling upward.
Do not remove the filter assembly from the Cool Fuel Module at this time.
8. Allow any fuel that may be in the filter assembly to drain out through the bottom of the
filter assembly and into the Cool Fuel Module filter reservoir.
9. Remove the filter cup from the filter cap by grasping the filter cap and rotating it in a
clockwise direction while holding the filter cup stationary.
10. Remove the used water‑separating fuel filter element from the filter cup, place it in a
clean, approved container.
11. Dispose of any water or debris that may be in the filter cup.
Page 80
d
c
b
a
a - Cool Fuel Module
b - Cool Fuel Module harness
c - Filter cap
d - Filter assembly retaining screw
e
h
f
g
8837
e - Fuel filter element
f - Filter cup
g - Cool Fuel Module filter reservoir
h - O‑ring
90-864839070 AUGUST 2007