Disassembly

1UR-FE ENGINE MECHANICAL: CYLINDER HEAD: DISASSEMBLY

1. REMOVE INTAKE VALVE

(a) Using SST and wooden blocks, compress the compression spring and remove the valve retainer locks.





SST : 09202-70020

09202-00010

(b) Remove the retainer, compression spring and valve.

HINT
Arrange the removed parts in the correct order.

2. REMOVE EXHAUST VALVE

(a) Using SST and wooden blocks, compress the compression spring and remove the valve retainer locks.





SST : 09202-70020

09202-00010

(b) Remove the retainer, compression spring and valve.

HINT
Arrange the removed parts in the correct order.

3. REMOVE VALVE STEM OIL SEAL

(a) Using needle-nose pliers, remove the oil seals.





4. REMOVE VALVE SPRING SEAT

(a) Using compressed air and a magnetic finger, 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 screw plug or the plug is corroded, replace it.

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





6. REMOVE NO. 2 STRAIGHT SCREW PLUG

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





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

7. REMOVE STUD BOLT

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