Daewoo Korando. Manual — part 171
1F2-48 M161 ENGINE CONTROLS
The pressure difference between the fuel pressure and
the intake manifold is approx. 3.2 bars during idling.
<Fuel Pressure Diagram>
1. Fuel pressure Regulator
2. Intake Manifold
3. Fuel Return(to fuel tank)
4. Fuel Supply(from fuel pump)
7. Fuel Pressure(approx. 3.2 bars)
8. Intake Manifold Negative Pressure(0.6 bars)
A. Fuel pressure
B. Intake Manifold Negative Pressure
LL. Idling
TL. Partial load
VL. Full load
M161 ENGINE CONTROLS 1F2-49
FUEL DISTRIBUTOR
Preceding Work : Removal of intake air duct
1 Fuel Distributor
2 Circlip
3 Fuel Pressure Regulator
4 O-ring
5 Fuel Pressure Test Connector
6 Seal Ring
7 Vacuum Hose
8 Combination Bolt (M8 X 120) . . . 22.5-27.5 Nm
9 Fuel Return Line
10 Seal Ring
11 Hollow Bolt . . . . . . . . . . 22.5-27.5 Nm
12 Clamp
13 Bolt (M8 X 22) . . . . . . . . . . 9-11 Nm
14 Injector Bracket
15 Injector
16 O-ring
1F2-50 M161 ENGINE CONTROLS
Tightening Torque
22.5 - 27.5 Nm
Tightening Torque
22.5 - 27.5 Nm
Removal & Installation Procedure
1. Discharge the fuel pressure from the fuel pressure test
connector by pushing service valve (arrow).
2. Disconnect the battery ground cable.
3. Disconnect the vacuum hose from the fuel pressure
regulator.
4. Disconnect the cable from ignition coil.
5. Remove the fuel return and supply line.
Installation Notice
Notice
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For removal, cover around parts with cloths not to
bestained by fuel.
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In case of checking the injector only, do not remove the
fuel return and supply line.
6. Remove the four injector connectors (arrows).
7. Unscrew the two combination bolts (8).
Installation Notice
M161 ENGINE CONTROLS 1F2-51
9. Installation should follow the removal procedure in the
reverse order.
10. Check for fuel pressure and internal leakage by operating
the engine.
8. Pull out the injector from intake manifold and remove the
fuel distributor.
Notice
Replace the injector O-ring with new one.
Ignition Coil & Cable
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Ignition coil T1/1 No.1 cylinder + No.4 cylinder
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Inition coil T1/2 No.1 cylinder + No.4 cylinder
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