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Sunday, February 26, 2012

Knock Sensor removal on a 2002 X-type

This is a very complicated repair so tech or enthusiast beware!!!







Removal
(All vehicles)

  •     Disconnect the battery ground cable.
  •     Disconnect the spring lock coupling.
Vehicles with 2.5L or 3.0L engine
  •     Remove the fuel charging wiring harness.
Vehicles with 2.0L engine
  •     Drain the cooling system.
  •     Disconnect the electrical connector.
    •     Detach the harness.
  •     Remove the engine trim retaining bracket.
  •     Detach the coolant pipe.
    •     Remove and discard the seal.
    NOTE: Fuel may still be present in the fuel supply manifold.
  •     Detach the fuel injection supply manifold and lower intake manifold and place to one side.
    • Remove the fuel injection supply manifold and lower intake manifold.
    • Disconnect the electrical connector.
    • Remove and discard the lower intake manifold O-ring seals.
  •     Detach the KS electrical connector from the retaining bracket.
  •     Disconnect the KS electrical connector.
  •     Remove the water pump outlet coolant pipe.
    •         Remove and discard the seal.
  •     Remove the engine coolant inlet pipe.
    •         Remove and discard the seal.
  •     Remove the KS.
Installation

(All vehicles)

    NOTE: Prior to installing the KS, clean the engine block and KS mating surfaces with metal surface cleaner (WSW-M5B392-A).

To install, reverse the removal procedure.
  •     Tighten to 19 Nm.
  •     Install a new seal.
    •         Tighten to 25 Nm.
  •     Install a new seal.
    •         Tighten to 10 Nm.
  •     Tighten in the sequence shown.
    •         Tighten to 10 Nm.
Vehicles with 2.0L engine
  •     Install a new seal.
    •         Tighten to 9 Nm.
  •     Tighten to 6 Nm.

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