Disassembly

3UR-FE ENGINE MECHANICAL: CYLINDER HEAD: DISASSEMBLY

DISASSEMBLY

1. REMOVE INTAKE VALVE

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

NOTE: If water leaks from the No. 1 straight 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

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

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

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