2007 ISUZU KB P190 Workshop Repair Manual

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Page 1577 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C-36 FUEL SYSTEM (4JK1/4JJ1)
15. Install the cylinder head cover.
Refer to "Cylinder Head Cover" in ENGINE MECHANICAL section.
16. Apply liquid gasket (ThreeBond TB-1207C o
r
equivalent) to

Page 1578 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM (4JK1/4JJ1) 6C-37
24. Install the A/C compressor.

RTW 56ASH004201
Legend
1. A/C Compressor Bracket
2. Intake Duct
3. A/C Compressor

Tighten the bolts to the spe

Page 1579 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C-38 FUEL SYSTEM (4JK1/4JJ1)
Torque Specifications

RTW 56CLF001501

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ISUZU KB P190 2007

Page 1580 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM (4JK1/4JJ1) 6C-39
Fuel Sedimenter Switch
Inspection
1. Check that there is continuity between the switch
connector terminals when the float in the fuel
sedimenter is above the water

Page 1581 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C-40 FUEL SYSTEM (4JK1/4JJ1)
Fuel Tank and Fuel Cooler
Fuel Tank and Associated Parts

RTW 76CLF000501
Legend 1. Bolt; Fuel Tank
2. Fuel Tank Band
3. Fuel Tank
4. Fuel F

Page 1582 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM (4JK1/4JJ1) 6C-41
Removal
Note: W hen repairs to the fuel system have been
completed, start the engine and check the fuel system
for loose connections or leakage. For the fuel system

FUEL SYSTEM (4JK1/4JJ1) 6C-41
Removal
Note: W hen repairs to the fuel system have been
completed, start the engine and check the fuel system
for loose connections or leakage. For the fuel system
diagnosis, see Section "Drivability and Emission".
1. Disconnect the battery ground cable.
2. Slowly loosen the fuel filler cap.
Note: Be careful that fuel does not spout out because o
f
change of pressure in the fuel tank.
Note: Cover opening of the filler neck to prevent an
y
dust entering. 3. Jack up the vehicle.
4. Disconnect the quick connector (5) of the fuel tube at the fuel cooler way.
5. Remove fuel return hose (8) from the pipe.
6. Remove fixing bolt (7) of the bracket fuel coole
r
and remove bracket fuel cooler (6).
Note: Cover the opening of the pipe to prevent any dust
and fuel leakage.
Note: For remove fuel cooler, Remove bolts (10) of the
fuel cooler and remove fuel cooler.
7. Support underneath of the fuel tank with a lifter.
8. Remove the inner liner of the wheel house at rea
r
left side.
9. Remove fixing bolt of the filler neck from the body.
10. Disconnect the quick connector (5) of the fuel tube from the fuel pipe and the evapo tube from evapo
joint connector.
Note: Cover the quick connector to prevent any dust
entering and prevent fuel leakage.
Note: Refer to "Fuel Tube/Quick Connector Fittings" in
this section when performing any repairs.
11. Remove fixing bolt (1) of the tank band and remove the tank band (2).
12. Disconnect the pump and sender connector on the fuel pump and remove the harness from the weld
clip on the fuel tank.
13. Lower the fuel tank (3).
Note: W hen lowering the fuel tank from the vehicle, do
not scratch the hoses and tubes by contact with othe
r
parts.

Installation
1. Raise the fuel tank.
Note: W hen raising the fuel tank to the vehicle, do not
scratch the hoses and tubes by contact with other parts.
2. Connect the pump and sender connector to the fuel pump and install the harness to the weld clip
on the tank.
Note: The connector must be securely connected
against the stopper.
3. Install the tank band and fasten bolt.
Torque: 68 N ⋅
⋅⋅
⋅
m (6.9 kg ⋅
⋅⋅
⋅
m /50 lb ft)
Note: The anchor of the tank band must be securely
installed to the guide hole on the frame.
4. Connect the quick connector of the fuel tube to the fuel pipe and the evapo tube from evapo joint
connector.
Note: Pull off the left checker on the fuel pipe.
Note: Refer to "Fuel Tube/Quick Connector Fittings" in
this section when performing any repairs.
5. Install the filler neck to the body with bolt.
Note: For install the fuel cooler to the bracket with bolt.
Torque: 6.5 N ⋅
⋅⋅
⋅
m (0.7 kg ⋅
⋅⋅
⋅
m /61 lb in)
6. Install the bracket to Frame with bolt. Torque: 48 N ⋅
⋅⋅
⋅
m (4.9 kg ⋅
⋅⋅
⋅
m /35 lb ft)
7. Install the fuel return hose at the fuel cooler way.
8. Install the quick connector at the fuel cooler way.
9. Install the inner liner of the wheel house at rear left side.
10. Remove lifter from the fuel tank.
11. Lower the vehicle.
12. Tighten the filler cap until at least three clicks.
13. Connect the battery ground cable.

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ISUZU KB P190 2007

Page 1583 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C-42 FUEL SYSTEM (4JK1/4JJ1)
Fuel Gauge Unit
Fuel Gauge Unit and Associated Parts

RTW 56CLF001001
Legend 1. Fuel Tube/Quick Connector
2. Fuel Feed Port
3. Retainer Ring

Page 1584 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM (4JK1/4JJ1) 6C-43
Removal
Note: W hen repairs to the fuel system have been
completed, start the engine and check the fuel system
for loose connections or leakage. For the fuel system

FUEL SYSTEM (4JK1/4JJ1) 6C-43
Removal
Note: W hen repairs to the fuel system have been
completed, start the engine and check the fuel system
for loose connections or leakage. For the fuel system
diagnosis, see Section "Drivability and Emission".
1. Remove the fuel tank assembly (8). Refer to "Fuel Tank Removal" in this section.
2. Disconnect the quick connector (1) of the fuel tube from the fuel gauge unit.

140R100035
3. Remove the retainer ring (3) from the fuel tank
with the removal tool 5-8840-2602-0.
4. Slowly remove the fuel gauge unit (6) from the fuel tank as no bend float arm.
Note: Cover opening for the fuel gauge unit on the fuel
tank to prevent any dust entering.
5. Discard the fuel gauge unit seal (7) because it cannot be reused.

Installation
1. Clean the seal surface of the fuel tank and the fuel
gauge unit.
Note: If there is dust on the seal surface, it can cause a
fuel leak.
2. Install the new fuel gauge unit seal (7) to the opening of the fuel tank along the groove.
3. Slowly install the fuel gauge unit (6) into the fuel tank so there is no bend in the float arm.
4. Set the flange of the fuel gauge unit on the fuel gauge unit seal as mating convexity of the fuel
gauge unit and reentrant of the fuel tank.
5. Slowly lock the retainer ring (3) to the fuel tank with the remover tool 5-8840-2602-0.
6. Connect the quick connector (1) of the fuel tube to the gauge unit.
Note: Pull off the left checker of the fuel pipe.
Note: Refer to "Fuel Tube/Quick Connector Fittings" in
this section when performing any repairs.
7. Check for leak. Method of leak check.
1. Plug the end of the quick connector and breather hose (Pull off the breather hose from
fuel tank) and tighten fuel filler cap until at least
one click is heard.
2. Apply soapy water around the fuel gauge unit seal area.
3 Pressure air into the fuel tank from the end o
f
the breather pipe at 34.3 kPa (0.35 kg / cm2 / 5
psi) over 15 seconds.
4 Verify that no bubbles from around the fuel gauge unit seal area.
8. Install the fuel tank assembly (8).
Note: Refer to "Install the fuel tank" in this section.

Special Tool

ILLUSTRATION PART NO.
PART NAME

5-8840-2602-0
Remover: fuel pump retainer ring

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