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Home >> Subaru >> 2024 >> Ascent Limited >> 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.
    G16384136Courtesy of SUBARU OF AMERICA, INC.
    (a) Front of engine

    Tightening torque: 

    Calculation formula
    T = 25 N.m (2.5 kgf-m, 18.4 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.
    G11253181Courtesy of SUBARU OF AMERICA, INC.
    (a) Effective length of the crowfoot wrench (L2)
    (b) Effective length of the torque wrench (L1)
    (c) Center of the open end of crowfoot wrench
    (d) Center of drive square of the torque wrench
    (e) Center of the position where a force is applied by hand
    G16384132Courtesy of SUBARU OF AMERICA, INC.
  2. Install the connector (A) and clip (B).
    G16384102Courtesy of SUBARU OF AMERICA, INC.
  3. Install the clip (C), clip (D) and clip (E), and connect connector (A) and connector (B).
    G16438540Courtesy 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 .