MAINTENANCE/SERVICE
Form 169469/169470/169471 147 Revision C
b. Change primary filter (C) as follows:
1. Clean around the filter head (F).
2. Disconnect Water In Fuel (WIF) sensor (G)
from bottom of filter.
3. Turn drain valve (H) by hand
counterclockwise until draining occurs and
drain filter into a container.
4. Remove filter (C) with a filter wrench.
5. Clean gasket mating surface.
IMPORTANT
Do not pre-fill filter with fuel. Pre-filling
can contaminate the fuel system.
6. Screw the new filter (C) onto the filter mount
until the gasket contacts the filter head.
7. Reconnect WIF sensor (G).
8. Tighten the filter an additional ½ to ¾ turn by
hand.
IMPORTANT
Do not use a filter wrench to install the
filter. Over-tightening can damage the
gasket and filter.
c. Change secondary filter (D) as follows:
1. Clean around the filter head (J).
2. Place a container under the filter to catch
split fluid.
3. Remove filter (D) with a filter wrench.
4. Clean gasket mating surface.
IMPORTANT
Do not pre-fill filter with fuel. Pre-filling
can contaminate the fuel system.
5. Screw the new filter onto the filter mount
until the gasket contacts the filter head.
6. Tighten the filter an additional ½ to ¾ turn by
hand.
IMPORTANT
Do not use a filter wrench to install the
filter. Over-tightening can damage the
gasket and filter.
d. Open fuel valve (E) under fuel tank.
e. Prime the system. Refer to Section 7.8.6.5
System Priming.
f. Close engine compartment hood.
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