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Home >> Subaru >> 2022 >> WRX Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Knock Sensor >> Installation >> LH Side
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LH Side

  1. Using a claw-foot wrench, install the knock sensor and connect the connector (A).
    NOTE:
    • Knock sensor must be positioned so that the connector center comes within the range shown in the figure. 
    • Make sure that the knock sensor and its connector do not touch the adjacent parts. 
      G14601038Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    Calculation formula
    T = 24 N.m (2.4 kgf-m, 17.7 ft-lb) x L1/(L1 + L2)
    T: Reading of the torque wrench
    L1: Effective length of the torque wrench
    L2: Effective length of the crowfoot wrench
    NOTE:

    If the effective length of the tool used is unknown, consult the manufacturer of the tool. 

    G14601039Courtesy of SUBARU OF AMERICA, INC.
    G13198300Courtesy of SUBARU OF AMERICA, INC.
  2. Install the connector (A) and clip (B).
    G13198270Courtesy of SUBARU OF AMERICA, INC.
  3. Install the clip (C), clip (D) and clip (E), and connect connector (A) and connector (B). (CVT model)
    G14601003Courtesy of SUBARU OF AMERICA, INC.
  4. Install the intercooler. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTERCOOLER>INSTALLATION
  5. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY