2008 Subaru Outback Base, StandardFACTORY OEM SERVICE PROCEDURE

Knock Sensor: Installation

  1. Install the knock sensor to cylinder block.
    NOTE: Extraction area of knock sensor cord must be positioned at a 60Β° angle relative to the engine rear.

    Tightening torque: 24 N.m (2.4 kgf-m, 17.4 ft-lb)Β 

    Fig 1: Identifying Knock Sensor Installation Position
    G05332770Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the knock sensor connector.
    Fig 2: Identifying Knock Sensor Connector
    G05339190Courtesy of SUBARU OF AMERICA, INC.
  3. Install the air intake chamber.

    <Ref. to INSTALLATION , Air Intake Chambers .>

  4. Connect the battery ground cable to battery.
    Fig 3: Identifying Battery Ground Cable To Battery
    G04988132Courtesy 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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