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Removing and installing fuel gauge sender > < Rules for cleanliness

Leon Mk2

5-cyl. injection engine, (4-valve), Mechanics
Removing and installing parts of fuel supply system
Removing and installing fuel delivery unit

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
 
W00-0291
  • ◆ 3217 Ring nut spanner
 
W00-0428
  • ◆ V.A.G 1332 Torque wrench (40...200 Nm)

Removing

  • ‒ Note safety precautions before starting work .
  • ‒ First check whether a coded radio is fitted. If this is the case obtain the anti-theft coding.
  • ‒ With the ignition switched off disconnect battery earth strap.
  • ‒ Remove cover from fuel delivery unit.
  • ‒ Pull 4-pin connector and supply and return pipes off flange.
Warning!
Fuel supply lines are under pressure! Before removing from hose connection wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection.

Note:

Press buttons on hose couplings to do this.
 
A20-0106
  • ‒ → Remove union nut with spanner 3217.
  • ‒ Pull fuel delivery unit and seal out of opening in the fuel tank.

Note:

If the delivery unit is to be renewed then drain old delivery unit before disposal.

Installing

  • ‒ Installation of the fuel delivery unit is carried out in the reverse order.

Notes:

  • ◆ Do not bend fuel sender when installing.
  • ◆ Insert seal for fuel delivery unit dry into opening of fuel tank.
  • ◆ Moisten seal with fuel only when installing fuel delivery unit.
  • ◆ Ensure fuel hoses are seated securely.
  • ◆ After installing fuel delivery unit, check that the supply, return and vent pipes are still clipped onto fuel tank.
 
A20-0096
  • ◆ → Note installation position of fuel delivery unit flange:
    The marking on flange must align with marking on fuel tank -arrows-.

Removing and installing fuel gauge sender > < Rules for cleanliness