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Home >> Subaru >> 2019 >> Forester Premium >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Knock Sensor >> Removal >> LH Side
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LH Side

  1. Disconnect the ground cable from battery. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  2. Remove the collector cover. Ref. to INTAKE (INDUCTION) (H4DO)>COLLECTOR COVER>REMOVAL .
  3. Remove the clip from the air intake boot, and loosen the clamp.
    G13223823Courtesy of SUBARU OF AMERICA, INC.
  4. 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.
    G13223824Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the intake manifold assembly. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>INTAKE MANIFOLD ASSEMBLY>REMOVAL .
  6. Disconnect the connector (A).
  7. Remove the bolt securing the engine ground and the harness case.
  8. Remove the clip (B) and remove the engine wiring harness stay.
  9. Disconnect the connector (C) and remove the clip (D) and clip (E).
    G13223970Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the knock sensor together with the coupling harness using a claw-foot wrench.
    G13223971Courtesy of SUBARU OF AMERICA, INC.
  11. Disconnect the coupling harness.
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