Engine Unit: Repair

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

REPAIR INTAKE VALVE SEAT
NOTE: Keep the lip free from foreign matter.
1. If the seating is too high on the valve face, use 30° and 45° cutters to correct the seat.
  
  Fig 1: Identifying Intake Valve Seat Angle (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.
3. Handrub the valve and valve seat with an abrasive compound.
4. Check the valve seating position.
REPAIR EXHAUST VALVE SEAT
NOTE: Keep the lip free from foreign matter.

Fig 2: Identifying Intake Valve Seat Angle (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. If the seating is too high on the valve face, use 30° and 45° cutters to correct the seat.
  
  Fig 3: Identifying Intake Exhaust Seat Angle (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. If the seating is too low on the valve face, use 60° and 45° cutters to correct the seat.
3. Handrub the valve and valve seat with an abrasive compound.
4. Check the valve seating position.
  
  Fig 4: Identifying Intake Exhaust Seat Angle (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002