Fuel Pump, Fuel-Driven Auxiliary Heater

Fuel pump, fuel-driven auxiliary heater

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Preparatory work

Important information





Warning! Use protective gloves and protective goggles during all operations due to the risk of fuel spill.

Note! There must be no dirt present when handling fuel line connections.

The fuel pump (FP) is a complete unit together with fuel hoses.

Removing components

Remove:
- the right rear wheel
- the connector for the fuel pump (FP)
- the fuel pump (FP) together with the bracket from the rear sub-frame.




Lower the fuel tank a little so that the fuel hoses to and from the fuel pump (FP) can be reached over the top of the fuel tank. See: Fuel tank, B5254T7 Removal and Replacement.

Removal

Removing the fuel pump (FP)




Remove the quick-release connector on the fuel hose routed to the fuel pump (FP) for the engine coolant heater at the suction hose on the fuel tank unit.

Note! Wipe up any fuel spills.

Remove:
- the fuel lines from the fuel pump (FP) on top of the fuel tank
- the fuel pump (FP) and hoses running back over the rear axle.

Installation

Note! For tightening torques, see Specifications. [1][2]Body and Frame.

Installing the fuel pump (FP)
Thread the fuel pump (FP) hoses above the rear axle and over the fuel tank.

Install:
- the fuel pump and its bracket in the rear sub-frame. Do not tighten the mounting screw yet
- the fuel lines on top of the fuel tank
- the fuel connection on the suction side at the fuel tank unit
- the fuel tank. See: Fuel tank, B5254T7 Removal and Replacement
- the fuel connection in front of the fuel tank.
Tighten the 1 M6 screw for the fuel pump (FP) bracket.

Finishing

Testing the engine coolant heater
Carry out a performance test of the engine coolant heater. See: Fuel-powered preheater, checking Fuel-Powered Preheater, Checking.