2008 SSANGYONG KYRON Service Manual

ENGINE FUEL SYSTEM
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1881-01ENGINE FUEL SYSTEM
GENERAL
1. CAUTIONS FOR DI ENGINE
This chapter describes the cautions for DI engine equipped vehicle. This includes the water
separation from engine, warning lights, symptoms when engine malfunctioning, causes and
actions.
1) DI Engine
Comparatively conventional diesel engines, DI engine controls the fuel injection and timing
electrically, delivers high power and reduces less emission.
2) System Safety Mode
When a severe failure has been occurred in a vehicle, the system safety mode is activated to
protect the system. It reduces the driving force, restricts the engine speed (rpm) and stops
engine operation. Refer to "Diagnosis" section in this manual.
3) Water Separator Warning Light
When the water level inside water separator
in fuel filter exceeds a certain level (approx.
39 cc), this warning light comes on and
buzzer sounds.
Also, the driving force of the vehicle
decreases (torque reduction). If these
conditions occur, immediately drain the
water from fuel filter.
For the draining procedures, please refer to
"How to drain the water from fuel filter"
section.
4) Priming Pump
The priming pump installed in fuel pump is the device to fill the fuel into the fuel filter. When the
vehicle is under the conditions as below, press the priming pump until it becomes rigid before
starting the engine.
5) Conditions for Using Priming Pump
After run out of fuel
After draining the water from fuel separator
After replacing the fuel filter -
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ENGINE FUEL SYSTEM
Fuel Filter and Water Separator
1. Fuel filter
2. Water drain plug(water separating operation:every 10,000km)
3. Priming pump
When replaced the fuel filter or drained the water from fuel filter, press the priming pump
until it becomes rigid before starting the engine.
The water drain from fuel filter should be performed whenever changing the engine oil. -
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ENGINE FUEL SYSTEM
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1881-01
6) Draining the Water From Fuel Filter
Place the water container under the fuel
filter. 1.
Turn the drain plug (2) to "A" direction to
drain the water. 2.
Wait until a certain amount of fuel gets
out from the port, then turn the drain plug
to "B" direction to tighten it. 3.
Be careful not to be injured by
surrounding equipment during the
working procedures. -
Press the priming pump until it becomes
rigid. 4.
Start the engine and check the conditions. 5.
If the priming pump is not properly
operated, air may get into the fuel line. It
may cause starting problem or fuel
system problem. Make sure to perform
the job in step 4. -