3UR-FE Cylinder head - Disassembly

1. REMOVE INTAKE VALVE

2. REMOVE EXHAUST VALVE

3. REMOVE VALVE STEM OIL SEAL

4. REMOVE VALVE SPRING SEAT

5. REMOVE NO. 1 STRAIGHT SCREW PLUG

6. REMOVE NO. 2 STRAIGHT SCREW PLUG

7. REMOVE STUD BOLT

1. REMOVE INTAKE VALVE

1. Using SST and wooden blocks, compress the compression spring and remove the valve spring retainer locks.

   SST

   09202-70020 (09202-00010)

2. Remove the retainer, compression spring and valve.

   HINT:

   Arrange the removed parts in the correct order.

2. REMOVE EXHAUST VALVE

1. Using SST and wooden blocks, compress the compression spring and remove the valve spring retainer locks.

   SST

   09202-70020 (09202-00010)

2. Remove the retainer, compression spring and valve.

   HINT:

   Arrange the removed parts in the correct order.

3. REMOVE VALVE STEM OIL SEAL

1. Using needle-nose pliers, remove the oil seals.

4. REMOVE VALVE SPRING SEAT

1. Using compressed air and a magnet hand, remove the valve spring seat by blowing air onto it.

5. REMOVE NO. 1 STRAIGHT SCREW PLUG

NOTICE:

If water leaks from the No. 1 straight screw plug or the plug is corroded, replace it.

1. Using a 10 mm hexagon wrench, remove the 6 screw plugs and 6 gaskets.

   Text in Illustration

   *A	LH
   *B	RH

6. REMOVE NO. 2 STRAIGHT SCREW PLUG

NOTICE:

If water leaks from the No. 2 straight screw plug or the plug is corroded, replace it.

1. Using a 14 mm hexagon wrench, remove the 2 screw plugs and 2 gaskets.

   Text in Illustration

   *A	LH
   *B	RH

7. REMOVE STUD BOLT

NOTICE:

If the stud bolt is deformed or its threads are damaged, replace it.