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Removing and installing the fuel distributor > < Removing

Octavia Mk2

Install
Install
Important instructions for installing the injection units
l  The following components and gaskets or O-rings must be replaced:
–  Clamping claw
–  Screw for clamping claw
–  Copper seal
–  O-ring for channel in cylinder head
–  O-ring for fuel return-flow line
–  Only for new injection unit: injection line.
l  When reinstalling, only insert injection units and injection lines for the same cylinder in the cylinder head.
l  Check the injection units and the fitting positions for cleanliness before installing.
l  The injection units must not show any sign of damage.
l  All the O-rings must be coated with engine oil before installing.
If a used injection unit is reinstalled:
–  Spray the tip of the injection unit with a rust solvent spray. Remove the soot particles or the oil particles with a cloth after approx. 5 minutes.
–  For disassembling the old copper gasket ring from the injection unit, carefully tighten the gasket ring in a vice until the copper gasket ring is prevented from spinning between the chuck jaws. Pull the injection unit out of the copper gasket ring with slight turning and pulling movements of the hand.
Continued for all injection units
–  Install the new copper gasket ring with the aid of a plastic bush.
–  Clean the channel with a cloth soaked in engine oil or rust solvent in order to remove the soot particles on the contact surface of the injection unit in the cylinder head. Make sure the sealing surfaces are not damaged in the process.
   
–  Replace the gasket ring for the injection channel, for this step use the assembly sleeve -T10377-.
  N23-10246
–  Position the new clips before installing the injector. Lightly grease them.
l  Ensure that the injection channel is clean before the installation.
–  Slide the clamping claw onto the injection units, observe the fitting position of the clamping claw → Chapter.
–  Always insert 2 injectors with clamping claw carefully into the injection channels of the cylinder head.
  Caution
Pay particular attention in order to avoid unnecessary installation work or consequential damage.
Avoid damage and contact of the injectors with the cylinder head.
The new screws for the clamping claws are only tightened to the final tightening torque after installing the high pressure lines.
–  First of all tighten the new fixing screws only to MAX: 1 - 2 Nm.
It must be possible to align the injectors when installing the high pressure lines by hand.
–  Install high pressure lines → Chapter.
–  Tighten fixing screws to 8 Nm + torque a further 180° (1/2 turn).
Further assembly occurs in reverse order.
  Note
After replacing one or several injection units, the „injector quantity adjustment (IQA)“ and the „injector voltage adjustment (IVA)“ must be indicated in the engine control unit for the new injection units → Vehicle diagnostic tester.
–  Fill up the fuel system → Vehicle diagnostic tester.
  N23-10374

Removing and installing the fuel distributor > < Removing