Cylinder Head Repair

Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
1Vd-Ftv Engine Mechanical. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. REPAIR INTAKE VALVE SEAT

  2. REPAIR EXHAUST VALVE SEAT

Cylinder Head -- Repair



1. REPAIR INTAKE VALVE SEAT


Land Cruiser. Urj200, 202 Grj200 Vdj200
NOTICE:
  1. Repair the seat while checking the seating position.
  2. Keep the lip free of foreign matter.
  1. Using a 90° cutter, resurface the valve seat so that the valve seat width is more than the specification.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.1Vd-Ftv Engine Mechanical.Engine.Cylinder Head  Repair
  1. Using 40° and 130° cutters, correct the valve seat so that the valve contacts the entire circumference of the seat. The contact should be in the center of the valve seat, and the valve seat width should be maintained within the specified range around the entire circumference of the seat.

    Standard width:
    1.0 to 1.4 mm (0.0394 to 0.0551 in.)


    Land Cruiser. Urj200, 202 Grj200 Vdj200
  1. Hand-lap the valve and valve seat with an abrasive compound.

  1. Check the valve seating position.



2. REPAIR EXHAUST VALVE SEAT


Land Cruiser. Urj200, 202 Grj200 Vdj200
NOTICE:
  1. Repair the seat while checking the seating position.
  2. Keep the lip free of foreign matter.
  1. Using a 90° cutter, resurface the valve seat so that the valve seat width is more than the specification.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.1Vd-Ftv Engine Mechanical.Engine.Cylinder Head  Repair
  1. Using 60° and 150° cutters, correct the valve seat so that the valve contacts the entire circumference of the seat. The contact should be in the center of the valve seat, and the valve seat width should be maintained within the specified range around the entire circumference of the seat.

    Standard width:
    1.0 to 1.4 mm (0.0394 to 0.0551 in.)


    Land Cruiser. Urj200, 202 Grj200 Vdj200
  1. Hand-lap the valve and valve seat with an abrasive compound.

  1. Check the valve seating position.