CYLINDER HEAD REPAIR


  1. REPAIR INTAKE VALVE SEAT

    Note


    • Repair the seat while checking the seating position.

    • Keep the lip free of foreign matter.

    • Take off the cutter gradually to make the intake valve seat smooth.


    1. A00946NE14
      Text in Illustration
      *a 1.2 to 1.6 mm (0.0472 to 0.0630 in.)

      If the seating is too high on the valve face, use 25 and 45° cutters to correct the seat.

    2. A009C2LE13
      Text in Illustration
      *a 1.2 to 1.6 mm (0.0472 to 0.0630 in.)

      If the seating is too low on the valve face, use 70 and 45° cutters to correct the seat.

    3. A0094S5E01

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

    4. Clean the valve and valve seat.

  2. REPAIR EXHAUST VALVE SEAT

    Note


    • Repair the seat while checking the seating position.

    • Keep the lip free of foreign matter.

    • Take off the cutter gradually to make the exhaust valve seat smooth.


    1. A00946NE15
      Text in Illustration
      *a 1.6 to 2.0 mm (0.0630 to 0.0787 in.)

      If the seating is too high on the valve face, use 25 and 45° cutters to correct the seat.

    2. A009C2LE14
      Text in Illustration
      *a 1.6 to 2.0 mm (0.0630 to 0.0787 in.)

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

    3. A0096KRE01

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

    4. Clean the valve and valve seat.