CYLINDER HEAD(w/ Glow Plug Controller) REPAIR

PROCEDURE


  1. REPAIR INTAKE VALVE SEAT

    Note

    Releasing the seat cutter pressure gradually helps to make the intake valve seat faces smoother.


    1. A01M29OC05
      *a Width

      If the seating is too high on the valve face, use 20° and 45° cutters to correct the intake valve seat.

      Standard Width
      1.0 to 1.4 mm (0.0394 to 0.0551 in.)
    2. A01LYPHC04
      *a Width

      If the seating is too low on the intake valve face, use 60° and 45° cutters to correct the intake valve seat.

      Standard Width
      1.0 to 1.2 mm (0.0394 to 0.0472 in.)

    3. Lap the intake valve and intake valve seat with an abrasive compound by hand.

    4. Recheck the valve seating position.

  2. REPAIR EXHAUST VALVE SEAT

    Note

    Releasing the seat cutter pressure gradually helps to make the exhaust valve seat faces smoother.


    1. A01M29OC07
      *a Width

      If the seating is too high on the exhaust valve face, use 20° and 45° cutters to correct the exhaust valve seat.

      Standard Width
      1.2 to 1.6 mm (0.0472 to 0.0630 in.)
    2. A01LYPHC06
      *a Width

      If the seating is too low on the valve face, use 60° and 45° cutters to correct the exhaust valve seat.

      Standard Width
      1.2 to 1.6 mm (0.0472 to 0.0630 in.)

    3. Lap the exhaust valve and exhaust valve seat with an abrasive compound by hand.

    4. Recheck the valve seating position.