Kia Sportage: Fuel Delivery System / High Pressure Fuel Pump Repair procedures
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In case of removing the high pressure fuel pump, high pressure fuel
pipe, delivery pipe, and injector, there may be injury caused by leakage
of the high pressure fuel. So don’t do any repair work right after engine
stops.
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| 1. |
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - "Release Residual Pressure in Fuel
Line")
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| 2. |
Turn the ignition switch OFF and disconnect the battery negative (-)
terminal.
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| 3. |
Disconnect the fuel pressure control valve connector (A) and the fuel
feed tube quick-connector (B).
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Open the clamp cover (B) before disconnect the quick connector.
(If the clip is applied)
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When removing the quick-connnector with the clip removing tool
(A), be careful not to damage the plastic clip (B).
If the clip is damaged, fuel line leak can be occurred due to
a bad connection.
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| 4. |
Remove the high pressure fuel pipe.
(Refer to Fuel Delivery System - "Fuel Line")
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| 5. |
Remove the installation bolts (A), and then remove the high pressure
fuel pump (B) from the cylinder head assembly.
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High pressure fuel pump mounting bolt:
12.8 - 14.7 N·m (1.3 - 1.5 kgf·m, 9.4 - 10.9 lb·ft)
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Unscrew in turn the two bolts in small step (0.5 turns). In
case of fully unscrewing one of the two bolts with the other
bolt installed, the housing surface of the cylinder head may
be broken because of tension of the pump spring.
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| • |
Be sure to check the low pressure fuel hose quick-connector
(A) is completely connected to the high pressure fuel pump until
a confirmation 'click' sound is heard.
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| • |
Be sure to re-check the low pressure fuel hose is completely
connected to the high pressure fuel pump by pulling it after
connecting.
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| • |
Be sure to install the high pressure fuel pipe (B) with the
specified torques.
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| • |
Because fuel leak may cause fire, securely Inspect leakage of
all fuel line connection parts at engine start condition.
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| • |
Before installing the high pressure fuel pump, position the
roller tappet in the lowest position by rotating the crankshaft.
Otherwise the installation bolts may be broken because of tension
of the pump spring.
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| • |
Do not reuse the used bolt.
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| • |
Do not reuse the used high pressure fuel pipe.
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| • |
When tightening the installation bolts of the high pressure
fuel pump, tighten in turn the bolts in small step (0.5 turns)
after tightening them with hand-screwed torque.
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| • |
Install the component with the specified torques.
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| • |
First hand-tighten the fasteners fully until they are not fastened
any more in order to have them inserted in place and then completely
tighten to the specified torque using a torque wrench.
If not tightening the bolts or nuts in a straight line with
the mating bolt holes or fittings, it may cause a fuel leak
due to broken threads.
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| • |
Note that internal damage may occur when the component is dropped.
In this case, use it after inspecting.
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| • |
Apply engine oil to the O-ring (A) of the high pressure fuel
pump, the roller tappet (B), and the protrusion (C). Also apply
engine oil to the groove on the location where the protrusion
(C) is installed.
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| 1. |
Install in the reverse order of removal.
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Use the special service tool [SST No.: 09314-3Q100] to install
the high pressure fuel pipe.
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Removal
In case of removing the high pressure fuel pump, high pressure fuel
pipe, delivery pipe, and inject ...
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Delivery Pipe Repair procedures
