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Oil/Air Separator Installation

  1. Raise the vehicle on the lift.
  2. Remove the splash shield (see SPLASH SHIELD REPLACEMENT ).
  3. Remove the thermostat housing (see THERMOSTAT HOUSING REMOVAL AND INSTALLATION ).
  4. Remove the PCV hose (A).
    Fig 1: Identifying Oil/Air Separator and Bolts
    G00496875Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the oil/air separator (B).
  6. Remove the all of the old liquid gasket from the oil/air separator mating surfaces, the bolts, and the bolt holes.
  7. Clean and dry the oil/air separator mating surfaces.
  8. Apply liquid gasket (P/N 08717-0004,08718-0003, or 08718-0009) to the engine block mating surface of the oil/air separator and to the inside edge of the bolt holes. Install the component within 5 minutes of applying the liquid gasket.
    NOTE:
    • Apply a 2.5 mm (0.098 in) diameter bead of liquid gasket along the broken line (A).
    • If you apply liquid gasket P/N 08718-0012, the component must be installed within 4 minutes.
    • If too much time has passed after applying the liquid gasket, remove the old liquid gasket and residue, then reapply new liquid gasket.
    Fig 2: Identifying Liquid Gasket Applying Area
    G00496876Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the oil/air separator.
    NOTE: Wait at least 30 minutes before filling the engine with oil.
    Fig 3: Oil/Air Separator and Bolts With Torque Specifications
    G00496877Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Install the PCV hose (B).
  11. Install the thermostat housing (see THERMOSTAT HOUSING REMOVAL AND INSTALLATION ).
  12. Install the splash shield (see SPLASH SHIELD REPLACEMENT ).
  13. Lower the vehicle on the lift.
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