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Home >> Subaru >> 2021 >> Legacy Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.5L) >> Knock Sensor >> Removal >> RH Side
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RH Side

  1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  2. Remove the clip from the air intake boot, and loosen the clamp.
    G13947204Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the air intake boot, and place it aside so that it does not interfere with the work.
    CAUTION: Be careful not to pull out the PCV hose.
    G13947205Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the intake manifold assembly. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>INTAKE MANIFOLD ASSEMBLY>REMOVAL .
  5. Remove the bolt (A) securing the engine wiring harness.
  6. Disconnect the connector (B) and remove the clip (C).
  7. Remove the clip (D) and the coupling harness from the harness cover.
  8. Remove the knock sensor together with the coupling harness, and disconnect the coupling harness.
G13947206Courtesy of SUBARU OF AMERICA, INC.
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