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Kia Optima - Fuel Filter (for Diesel)

Kia Optima
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741
Maintenance
FUEL FILTER (FOR DIESEL)
Draining water from the fuel filter
The fuel filter for diesel engine plays an
important role of separating water from
fuel and accumulating the water in its
bottom.
If water accumulates in the fuel filter, the
warning light comes on when the ignition
switch is in the ON position.
If this warning light illuminates,
we recommend that you con-
tact an authorised Kia dealer.
Extracting air from the fuel filter
If you drive until you have no fuel left or if
you replace the fuel filter, be sure to
extract air from the fuel system as it
makes it difficult to start the engine.
1. Pump up and down approximately 50
times until the pump is hard.
2. Extract air from the fuel filter by remov-
ing the bolt with a cross-tip screw driv-
er and reinstall the bolt.
3. Pump up and down approximately 15
times.
4. Extract air from the fuel filter by remov-
ing the bolt with a cross-tip screw driv-
er and reinstall the bolt.
5. Pump up and down approximately 5
times.
NOTICE
Use cloths when you extract air so that
the fuel is not sprayed around.
Clean the fuel around the fuel filter or
the injection pump before starting the
engine to prevent fire.
Finally, check each part if the fuel is
leaking.
Fuel filter cartridge replacement
NOTICE
When replacing the fuel filter cartridge,
we recommend that you use parts for
replacement from an authorised Kia
dealer.
CAUTION
If the water accumulated in the fuel
filter is not drained at proper times,
damages to the major parts such as
the fuel system can be caused by
water permeation in the fuel filter.
OTFS072080R
1.7L Diesel engine

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