01-10
korando 2010.10
0000-00
D20DTF ENGINE INFORMATION
(4) Fuel and lubrication system
If work on the fluid system such as fuel and oil, working area should be well ventilated and
mechanic should not smoke.
Gasket or seal on the fuel/lubrication system should be replaced with new and bolts and nuts
should be tightened as specified.
After removal/installation works, be sure to check whether there is leak on the connecting
section.
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Painted surface of the body can be damaged or rubber products (hoes) can be corroded if
engine oil and fuel are spilled over. If spilled over engine, foreign materials in air can be
accumulated on the engine damaging fuel system.
If fine dust or foreign material enters into DI engine's fuel system, there can be serious
damages between HP pump and injectors. So, be sure to cover removed fuel system
components with cap and protect removed parts not to be contaminated with dirt.
(Refer to cleanness in this manual while working on DI engine fuel system)
When working on the fuel line between priming pump and injector (including return line),
always plug the openings with caps to prevent foreign materials or dust from entering to
the openings and connections.
The HP fuel supply pipe (HP pump to fuel rail) and HP fuel pipe (Fuel rail to injector)
should be replaced with new ones when removed.
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(3) Electrical equipment
When working on the electrical equipment, be sure to disconnect battery negative (-) terminal
and position the ignition switch to off, except when required.
When replacing electrical equipment, use the same genuine part and be sure to check
whether ground or connecting portions are correctly connected during installation. If ground
or connecting portion is loosened, there can be vehicle fire or personal injury.
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Electrical equipment should be handled more carefully. Currently, the engine is equipped with a
lot of electrical equipments so there can be engine performance drops, incomplete combustion
and other abnormalities due to short and poor contact. Mechanics should well aware of
vehicle's electrical equipment.
