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Home >> Saturn >> 1994 >> SW2 Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Ignition System >> Knock Sensor Module >> Removal & Installation
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Removal & Installation

  1. Disconnect negative battery cable. Remove ECM/PCM from vehicle. See ENGINE CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) . Position ECM/PCM so access cover faces upward. Remove access cover from ECM/PCM.
  2. Using thumb and forefinger, squeeze both ends of knock sensor module inward and pull module up from access hole. To install, reverse removal procedure. Ensure module latches into holder in ECM/PCM.
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