volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Auxiliary Cabin Heater Overheat Sensor / Switch > < Auxiliary Cabin Heater Fuel Pump|Service and Repair
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Remove the 2 nuts retaining the pump holder.
Hold the damper while removing the fuel pump (FP).

Installation

Fuel pump and fuel line

Reinstall in reverse order.
Torque tighten the nut 3 Nm.

Bleeding the fuel system

Connect the fuel line to a vacuum pump. Suck carefully until fuel comes out. Connect the cables and hoses.

Note! Always check that there is clearance between the fuel line and water hose.

Final check

Note! Start the engine and let it idle for a few seconds before starting the heater.

Test run the heater. Check the function of the heater. See Engine coolant heater, test running See: Testing and Inspection/Component Tests and General
Diagnostics/Engine Coolant Heater, Test Running 
Check both the coolant hoses and the fuel lines for leakage.
Top up the coolant if necessary.
Check that no diagnostic trouble codes (DTC) have been stored during the repair work.

Auxiliary Cabin Heater Overheat Sensor / Switch > < Auxiliary Cabin Heater Fuel Pump|Service and Repair