2017 Subaru Crosstrek BaseFACTORY OEM SERVICE PROCEDURE

Knock Sensor: Installation

  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 76.5 - 91.5Β° angle relative to the front of engine.

    Tightening torque:Β 

    24 N.m (2.4 kgf-m, 17.7 ft-lb)Β 

    Fig 1: Knock Sensor Angle
    G11584074Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the connector to the knock sensor.
    Fig 2: Locating Connector To Knock Sensor
    G08315410Courtesy of SUBARU OF AMERICA, INC.
  3. Install the air intake boot. Ref. to INSTALLATION , Air Intake Boot.
  4. Connect the battery ground terminal.
Fig 3: Connecting Battery Ground Terminal
G08317298Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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