FUEL TANK PUMP AND GAUGE ASSEMBLY REPLACEMENT <4B11-TURBO>


1.Remove the rear seat cushion assembly (Refer to GROUP 52A - Rear Seat Assembly ).

2.Remove the floor inspection lid (LH).

3.Disconnect the fuel tank pump and gauge assembly connector.
4.Release the fuel pressure in the fuel line. [Refer to GROUP 13C - On-vehicle Service, Fuel Pump Connector Disconnection (How to Reduce Pressurized Fuel Lines) ].
5.Disconnect the fuel return hose.

6.Insert a flat-tipped screwdriver (6 mm wide and 1 mm thick) into the retainer of the fuel main pipe.

7.
caution When pushing up the retainer of the fuel main pipe connector, pay attention to avoid damage to the retainer.
Turn the flat-tipped screwdriver inserted into the retainer by 90 degrees to push up the retainer, and disconnect the fuel main pipe from the fuel tank pump and gauge assembly.

8.Remove the mounting nuts of fuel tank pump and gauge assembly.

9.
caution Pay attention not to damage the fuel gauge unit and float of the fuel tank pump and gauge assembly when removing the fuel tank pump and gauge assembly from the fuel tank.
While removing the fuel tank pump and gauge assembly from service hole, disconnect the fuel tank suction hose, and remove the fuel tank pump and gauge assembly from service hole completely.
10.Replace the fuel tank pump and gauge gasket with a new one.

11.
caution
  • When installing the fuel tank pump and gauge assembly into the fuel tank from the service hole, be careful not to damage the gauge unit and the float. In addition, be careful that the float does not catch the fuel tank suction hose in the fuel tank.
  • When installing the fuel tank pump and gauge assembly to the fuel tank, check that the fuel gauge unit moving area moves smoothly.
While inserting the fuel tank pump and gauge assembly from the service hole to fuel tank, connect the fuel tank suction hose and install the fuel tank pump and gauge assembly in the fuel tank.
12.Install the fuel pump bracket plate, and tighten the fuel tank pump and gauge assembly mounting nuts to the specified torque.
Tightening torque: 2.5 ± 0.4 N·m

13.Before the installation, push up the retainer of the fuel main pipe.

14.Connect the connector of fuel main pipe to the fuel tank pump and gauge assembly securely and push down the retainer of the connector to lock it firmly.
15.After the installation, slightly pull the fuel main pipe to check that it is connected securely. At this time, also check that there is approximately 1 mm play.
16.Connect the fuel return hose.

17.Connect the fuel tank pump and gauge assembly connector.

18.Install the floor inspection lid (LH).
19.Install the rear seat cushion assembly (Refer to GROUP 52A - Rear Seat Assembly ).