Cylinder Head Repair

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
2Az-Fe Engine Mechanical. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. REPAIR VALVE SEATS

Cylinder Head -- Repair



1. REPAIR VALVE SEATS


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Az-Fe Engine Mechanical.Engine.Cylinder Head Repair

  1. If the seating is too high on the valve face, use 30° and 45° cutters to correct the seat.

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

    Standard width:
    Item
    		Standard Condition
    Intake
    		1.0 to 1.4 mm (0.0394 to 0.0551 in.)
    Exhaust
    		1.2 to 1.6 mm (0.0472 to 0.0630 in.)

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

  1. Recheck the valve seating position.