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Home >> Subaru >> 2015 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (Except STI) >> Knock Sensor >> Installation >> LH Side
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LH Side

  1. Install the knock sensor to the cylinder block.
    NOTE: The knock sensor should be installed so that the center of the connector is positioned at a 47.5 - 62.5° angle relative to the rear of engine.

    Tightening torque: 

    24 N.m (2.4 kgf-m, 17.7 ft-lb) 

    Fig 1: Identifying Knock Sensor Connector Tightening Angle (LH Side)
    G10266228Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the connector to the knock sensor.
    Fig 2: Locating Knock Sensor Connector (LH Side)
    G09479757Courtesy of SUBARU OF AMERICA, INC.
  3. Install the bolts securing the engine harness.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb) 

    Fig 3: Locating Engine Harness Bolt
    G10266205Courtesy of SUBARU OF AMERICA, INC.
  4. Install the throttle body. <Ref. to INSTALLATION , Throttle Body.>
  5. Install the intercooler. <Ref. to INSTALLATION , Intercooler.>
  6. Connect the ground terminal to battery sensor. <Ref. to BATTERY , NOTE, Note.>
  7. Install the collector cover. <Ref. to INSTALLATION , Collector Cover.>
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