CYLINDER HEAD(w/o 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. A286919N01

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

    2. A286920N01

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

    3. Hand lap the intake valve and intake valve seat with an abrasive compound.

    4. Check 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. A286919N02

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

    2. A286920N02

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

    3. Hand lap the exhaust valve and exhaust valve seat with an abrasive compound.

    4. Check the valve seating position.