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Removing and installing the unit injector|Install > < Removing and installing the unit injector

Octavia Mk1

Removing
Removing
–  Remove upper timing belt cover and cylinder head cover → 1.9 l/74 kW (TDI) Engine, Mechanical components; Rep. Gr.15.
–  Turn the crankshaft until the cam pair of the relevant unit injector to be removed points uniformly upwards.
   
–  Release the counternuts of the adjusting screws -1- and unscrew the adjusting screws until the relevant valve lever rests against the tappet spring of the unit injector.
–  Screw out fixing screws -2- for the valve-lever shaft from the outside to the inside and remove the valve-lever shaft.
  N23-0310
–  Set the camshaft in such a way that the cam for Cylinder 2 points in -direction of arrow-. All clamping pads can be removed in this position.
–  Separate plug connection from the unit injector. Support the opposite side of the connector with your finger in order to avoid twisting the connector.
–  Screw out fixing screw -3- of the clamping pad and remove the pad in the direction towards the camshaft.
  S23-0157
–  Insert the extractor -T10055- instead of the clamping pad in the slot of the unit injector.
–  Remove the unit injector through movements of the sleeve at the nut up to the stop in -direction of arrow-.
  Note
Do not interchange the unit injectors, if necessary mark the assignment to each cylinder.
  N23-0319

Removing and installing the unit injector|Install > < Removing and installing the unit injector