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Control Valve Body: Disassembly

  1. Remove oil strainer from lower control valve body.
    NOTE: Arrange the removed bolts in good order to assemble in the same place as disassembly, because the bolt lengths are different.
    Fig 1: Removing Oil Strainer From Lower Control Valve Body
    G00917547Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the duty solenoids, solenoids and sensor from the lower valve body.
    NOTE: Arrange the removed bolts in good order to assemble in the same place as disassembly, because the bolt lengths are different.
    Fig 2: Removing Duty Solenoids, Solenoids & Sensor From Lower Valve Body
    G00917548Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the upper-lower valve body tightening bolts.
    NOTE: Arrange the removed bolts in good order to assemble in the same place as disassembly, because the bolt lengths are different.
    Fig 3: Removing Upper-Lower Valve Body
    G00917549Courtesy of SUBARU OF AMERICA, INC.
  4. Remove the lower valve body.
  5. Remove the oil filter and plate.
    Fig 4: Removing Oil Filter & Plate
    G00917550Courtesy of SUBARU OF AMERICA, INC.
  6. Remove six steel balls from middle valve body.
    Fig 5: Removing Six Steel Balls From Middle Valve Body
    G00917551Courtesy of SUBARU OF AMERICA, INC.
  7. Remove the middle valve body.
  8. Remove upper separator plate from middle valve body.
    Fig 6: Removing Upper Separator Plate From Middle Valve Body
    G00917552Courtesy of SUBARU OF AMERICA, INC.
  9. Remove valve springs and four steel balls from upper valve body.
  10. Place a shop cloth to the piston removal hole.
  11. Using an air compressor, apply air slowly to each piston hole and remove the pistons.
    Fig 7: Removing Valve Springs & Steel Balls From Upper Valve Body
    G00917553Courtesy of SUBARU OF AMERICA, INC.
  12. Remove the seal ring from piston
    Fig 8: Removing Seal Ring From Piston
    G00917554Courtesy of SUBARU OF AMERICA, INC.