Renault Koleos Service Repair Manual: Fuel filter: Removal - Refitting

M9R

Fuel supply

IMPORTANT Consult the safety and cleanliness advice and operation recommendations before carrying out any repair.

 

IMPORTANT During this operation, be sure to:
  • refrain from smoking or bringing red hot objects close to the working area,
  • be careful of fuel splashes when disconnecting the union.

 

WARNING To avoid any corrosion or damage, protect the areas on which fuel is likely to run.

REMOVAL

I - REMOVAL PREPARATION OPERATION

Fuel supply

  • Disconnect the quick-release unions (1) of the manual priming pump.
  • Insert the blanking plugs.
  • Remove:
    • the mountings (2) of the fuel filter protector,
    • the fuel filter protector (3) .

Fuel supply

  • Disconnect:
    • the fuel supply quick-release union (4) from the high pressure pump of the fuel filter,
    • the fuel return quick-release unions (5) from the fuel filter.
  • Insert the blanking plugs.

II - OPERATION FOR REMOVAL OF PART CONCERNED

Fuel supply

  • Remove the bolt (6) of the mounting support of the fuel filter.
  • Disconnect the water detection sensor connector (7) .
  • Remove the fuel filter.

REFITTING

I - REFITTING PREPARATION OPERATION

WARNING Do not remove the blanking plugs from each component until the last moment.

Also, do not remove the components from their packaging until they are to be fitted to the vehicle.

II - REFITTING OPERATION FOR PART CONCERNED

  • Fit the fuel filter on the mounting support.
  • Connect the coolant detection sensor connector.
  • Refit the bolt in the mounting support of the fuel filter.
  • Torque tighten the fuel filter mounting support bolt (9 N.m).
  • Remove the blanking plugs from the inlet and outlet unions of the fuel filter.
  • Connect the inlet and outlet unions of the fuel filter to the fuel filter.
  • Open the bleed screw on top of the diesel filter.
  • Prime the fuel circuit using the manual priming pump until the pipes are filled with fuel.
  • Close the bleed screw on top of the fuel filter.
  • Check that there are no fuel leaks.
  • Start the engine.
  • Check that there are no fuel leaks.

III - FINAL OPERATION.

Note: Be careful not to pinch or damage the fuel pipes.
  • Remove the blanking plugs.
  • Connect:
    • the fuel return quick-release unions of the fuel filter.
    • the fuel supply quick-release union of the high pressure pump of the fuel filter,
  • Refit:
    • the fuel filter guard.
    • the mountings of the fuel filter protector,
  • Torque tighten:
    • the fuel filter protector bolt (10 N.m),
    • the fuel filter protector nuts (25 N.m).
  • Connect the quick-release unions of the manual priming pump.
  • Prime the fuel circuit using the manual priming pump.

Fuel supply

Note: Regularly bleed the water that has collected in the fuel filter through the bleed plug (8) .

Prime the fuel circuit using the manual priming pump after the water purge.

Check for fuel leaks after starting the engine.

    Manual priming pump: Removal - Refitting

    Injector rail - Injectors: Removal - Refitting

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