Disassembly [12/2012 - 10/2015]: Procedure

REMOVE INTAKE VALVE

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the retainer, compression spring and intake valve.
HINT:

Arrange the removed parts in the correct order.

REMOVE EXHAUST VALVE

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the retainer, compression spring and exhaust valve.
HINT:

Arrange the removed parts in the correct order.

REMOVE VALVE STEM OIL SEAL

Using needle-nose pliers, remove the oil seals.

REMOVE VALVE SPRING SEAT

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

REMOVE NO. 1 STRAIGHT SCREW PLUG
NOTE:
If coolant leaks from a No. 1 screw plug or a plug is corroded, replace it.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Using a 10 mm hexagon wrench, remove the 3 screw plugs and 3 gaskets.
REMOVE NO. 2 STRAIGHT SCREW PLUG
NOTE:
If coolant leaks from the No. 2 screw plug or the plug is corroded, replace it.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Using a 14 mm hexagon wrench, remove the screw plug and gasket.
REMOVE CYLINDER HEAD STUD BOLT
NOTE:
If a stud bolt is deformed or its threads are damaged, replace it.