SsangYong Musso. Manual — part 325
1F1-58 M162 ENGINE CONTROLS
FUEL PUMP
Requirements for Fuel Pump
Item
Specified Value
Item
Specified Value
System Pressure
3.8 bar
Minimum Delivery at 8V
30 Litre/Hr
Maximum Pressure
8.5 bar (12 V)
Minimum Amount
of Fuel Supply
114 Liter/Hr (12 V, 3.8 bar, -
30 ~ +70°C)
Minimum Pressure
5.0 bar (12 V)
Maximum Allowable Current
7.5 A
Nominal Voltage
12 V
Ambient Temperature
-30 ~ +70°C
1 Reservoir Tank
2 Fuel Sensor (float/arm)
3 Resistance
4 Wiring Connector
5 Fuel Supply Pipe
7 Float
10 Flange and Harness Assembly
11 Fuel Pump
12 Spring
13 Thermister Housing
14 Thermister
15 Resistor Card and Wiper
16 Float Arm
Operating Voltage
8 V
Maximum Amount
of Fuel Supply
165 Liter/Hr (12V, 3.8 bar,
-30 ~ +70°C)
M162 ENGINE CONTROLS 1F1-59
1
2
3
4
1 Fuel Pump Connector Wiring
2 Fuel Return Pipe
3 Fuel Supply Pipe
4 Bolts
5 Fuel Return Pipe
6 Fuel Supply Pipe
7 Float
8 Ground Stud (Sender "-")
COLOR
Pump "+"
Thermister "+"
Ground
Sender Unit "+"
USE
Harness Location & Connector
A
B
C
D
2.0 BR
0.5 W
2.0 B
0.5 RY
1F1-60 M162 ENGINE CONTROLS
Tools Required
661 589 00 46 00 Cap Remover
Removal & Installation Procedure
1. Disconnect the negative battery cable.
2. Disconnect the harness connector (1).
3. Disconnect the fuel supply (6) and return (5) pipes.
4. Using a special tool, Unscrew the eight fuel retaining bolts
and remove the pump from fuel tank.
Notice
Check the condition of the seal and replace if necessary.
Drain the fuel before removing the pump.
M162 ENGINE CONTROLS 1F1-61
Notice
Replace the fuel pump relay if the measured value is over
9A.
Notice
Check the fuel filter and fuel line when the fuel delivery is
not within specified value.
Measure the Current Consumption of Fuel Pump
1. Remove the fuel pump relay from fuse and relay box in
trunk, and turn the ignition switch to "ON" position.
2. Using a multi-tester, measure the current consumption by
connecting the terminal No.1 and No.3 of pump.
Measure the Fuel Delivery From the Fuel Pump
1. Disconnect the return pipe from fuel distributor and insert
the appropriate hose into it.
2. Place the hose end into the beaker with the minimum capacity
of 1Liter.
3. Turn the ignition switch to "ON" position.
4. Connect the terminal No.33 and No.5 of ECU with a service
wire.
5. Measure the fuel delivery from the fuel pump.
1Liter/max.35sec.
Specifed Value
5 - 9A
Specifed Value
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