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Section 6 (Engine Mechanical (H4DOTC)): Camshaft: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Remove the engine from the vehicle. Refer to , REMOVAL , Engine Assembly.
  2. Remove the crank pulley. Refer to , REMOVAL , Crank Pulley.
  3. Remove the timing belt cover. Refer to , REMOVAL , Timing Belt Cover.
  4. Remove the timing belt. Refer to , REMOVAL , Timing Belt.
  5. Remove the cam sprocket. Refer to , REMOVAL , Cam Sprocket.
  6. Disconnect the connector of the intake oil flow control solenoid valve.
    Fig 1: Identifying Exhaust Camshaft Position Sensor And Exhaust Oil Flow Control Solenoid Valve Connectors
    G06649392Courtesy of SUBARU OF AMERICA, INC.
  7. Disconnect the connectors from the exhaust camshaft position sensor (A) and exhaust oil flow control solenoid valve (B).
    Fig 2: Identifying Timing Belt Cover No. 2 (RH) And Timing Belt Cover No. 2 LH
    G06649393Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the timing belt cover No. 2 (RH) (A) and timing belt cover No. 2 LH (B).
    NOTE: Do not damage or lose the seal rubber when removing the timing belt covers.
    Fig 3: Locating Tensioner Bracket Bolts
    G07911991Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the tensioner bracket.
    Fig 4: Locating Oil Level Switch Connector
    G07909879Courtesy of SUBARU OF AMERICA, INC.
  10. Disconnect the oil level switch connector.
    Fig 5: Identifying Engine Harness Clip (A) And Bolt (B)
    G06649237Courtesy of SUBARU OF AMERICA, INC.
  11. Remove the clip (A) and bolt (B) securing the engine harness or oil level switch harness to the rocker cover.
    Fig 6: Identifying Clamp Pliers (ST 18353AA000)
    G06649397Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the ignition coil. Refer to IGNITION COIL .
  13. Remove the scavenge pump. (RH side only) Refer to SCAVENGE PUMP .
  14. Disconnect PCV hose and vacuum hose from the rocker cover.
    NOTE: Pinch the clamp of the PCV hose by fitting the cut out in the ST with the protrusion on the clamp as shown in the figure, and unlock the clamp.

    ST 18353AA000 CLAMP PLIERS

    Fig 7: Locating PCV Hose And Vacuum Hose
    G06650572Courtesy of SUBARU OF AMERICA, INC.
    Fig 8: Identifying Oil Pipe Union Bolt
    G06649399Courtesy of SUBARU OF AMERICA, INC.
  15. Remove the rocker cover.
  16. Remove the union bolt without filter (without protrusion) which secures the oil pipe to the front camshaft cap.
    Fig 9: Identifying Front Camshaft Cap, Intake Camshaft Cap And Rear Camshaft Cap Bolts
    G07911997Courtesy of SUBARU OF AMERICA, INC.
  17. Loosen the bolts located on the upper side of the front camshaft cap, intake camshaft cap and rear camshaft cap (RH side only) equally, a little at a time in alphabetical order, as shown in the figure.
    Fig 10: Identifying Front Camshaft Cap And Exhaust Camshaft Cap Bolts
    G06649401Courtesy of SUBARU OF AMERICA, INC.
  18. Loosen the lower side of the front camshaft cap and the exhaust camshaft cap bolts equally, a little at a time in alphabetical sequence shown in the figure.
    Fig 11: Identifying Camshaft Position
    G06649402Courtesy of SUBARU OF AMERICA, INC.
  19. Remove the front camshaft cap.
  20. Remove the intake camshaft caps, intake camshaft and rear camshaft caps (RH side only).
  21. Remove the exhaust camshaft caps and exhaust camshaft.
    NOTE: Arrange camshaft caps in order so that they can be installed in their original positions.
  22. Remove the oil seal.
    CAUTION: Do not scratch the journal surface when removing the oil seal.
  23. Similarly, remove the camshaft RH and related parts.
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