Disassembly

1UR-FSE ENGINE MECHANICAL: CYLINDER HEAD: DISASSEMBLY

1. REMOVE VALVE STEM CAP
(a) Remove the valve stem caps from the cylinder head.
HINT:
Arrange the removed parts in the correct order.

2. REMOVE INTAKE VALVE

(a) Using SST and wooden blocks, compress the compression spring and remove the valve retainer lock.
SST: 09202-70020
09202-00010
09202-01010
09202-01020
(b) Remove the retainer, compression spring and valve.
HINT:
Arrange the removed parts in the correct order.

3. REMOVE EXHAUST VALVE

(a) Using needle-nose pliers, remove the oil seals.
5. REMOVE VALVE SPRING SEAT

(a) Using compressed air and a magnetic pick-up tool, remove the valve spring seat by blowing air onto it.
6. 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.
7. 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.