Procedures

2TR-FE ENGINE MECHANICAL: ENGINE UNIT: REPAIR

REPAIR

1. REPAIR INTAKE VALVE SEAT

NOTE: Keep the lip free from foreign matter.





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





(b) If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.
(c) Handrub the valve and valve seat with an abrasive compound.
(d) Check the valve seating position.
2. REPAIR EXHAUST VALVE SEAT

NOTE: Keep the lip free from foreign matter.





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





(b) If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.
(c) Handrub the valve and valve seat with an abrasive compound.
(d) Check the valve seating position.