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Home >> Saturn >> 1993 >> SL1 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Ignition System >> Knock Sensor Module (3.4L VIN S) >> Removal & Installation
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Removal & Installation

  1. Disconnect negative battery cable. Disconnect harness connector from ECM. Remove ECM from mounting bracket. Remove access cover from ECM. Using thumb and forefinger, squeeze both ends of knock sensor module inward and pull module up from access hole.
  2. To install, reverse removal procedure. Ensure module latches into holder in ECM assembly.
NOTE: Knock sensor module is on bracket located near right hood hinge.
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