Mercury D4.2L D-Tronic

FUEL DELIVERY PUMP AND FUEL FILTER
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 5B-13
Water Separating Fuel Filter
Removal
1. Disconnect battery cables from battery.
NOTE: Use a suitable container to catch excess fuel.
2. Twist locking ring by hand. Remove water separating fuel filter and sealing ring from
mounting bracket. Do NOT use a filter wrench.
IMPORTANT: Element cannot be cleaned and reused. It must be replaced.
3. Remove the drain cap and O-ring from bottom of the existing filter. Note position of
O-ring seal. Inspect and replace damaged components.
70161
75579
b
a
c
d
a-Locking Ring
b-Filter Element
c-Drain Cap
d-O-ring
4. Discard filter and sealing ring.
Installation
1. Install O-ring and drain cap on new filter.
70160
a
b
b
a-O-ring Seal
b-Drain Cap