CYLINDER HEAD REPAIR

PROCEDURE


  1. REPAIR INTAKE VALVE SEATS

    Note


    • Repair the seat while checking the seating position.

    • Keep the lip free of foreign matter.


    1. A01V1G0E01
      Text in Illustration
      *a Width

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

      Valve seat width
      1.0 to 1.4 mm (0.0394 to 0.0551 in.)
    2. A01V1S3E01
      Text in Illustration
      *a Width

      If the seating is too low on the valve face, use 75° and 45° cutters to correct the seat.

      Valve seat width
      1.0 to 1.4 mm (0.0394 to 0.0551 in.)

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

    4. Check the valve seating position.

  2. REPAIR EXHAUST VALVE SEATS

    Note


    • Repair the seat while checking the seating position.

    • Keep the lip free of foreign matter.


    1. A01V1G0E01
      Text in Illustration
      *a Width

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

      Valve seat width
      1.0 to 1.4 mm (0.0394 to 0.0551 in.)
    2. A01V1S3E01
      Text in Illustration
      *a Width

      If the seating is too low on the valve face, use 75° and 45° cutters to correct the seat.

      Valve seat width
      1.0 to 1.4 mm (0.0394 to 0.0551 in.)

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

    4. Check the valve seating position.