Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Engine Mechanical
Model Year: 2008 Model: Sequoia Doc ID: RM00000307F003X
Title: 2UZ-FE ENGINE MECHANICAL: CYLINDER HEAD: DISASSEMBLY (2008 Sequoia)

DISASSEMBLY

1. REMOVE INTAKE VALVE


(a) Using SST, compress the compression spring and remove the 2 valve spring retainer locks.

SST: 09202-70020

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

HINT:

Arrange the removed parts in the correct order.

2. REMOVE EXHAUST VALVE


(a) Using SST, compress the compression spring and remove the 2 valve spring retainer locks.

SST: 09202-70020

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

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


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

6. REMOVE STUD BOLT

NOTICE:

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