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