Replacement

2AZ-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACEMENT

1. REMOVE INTAKE VALVE GUIDE BUSH

(a) Heat the cylinder head to 80 to 100°C (176 to 212°F).

(b) Place the cylinder head on wooden blocks.

(c) Using SST and a hammer, tap out the guide bush.

SST : 09201-10000

09201-01050

SST : 09950-70010

09951-07100

2. REMOVE EXHAUST VALVE GUIDE BUSH

(a) Heat the cylinder head to 80 to 100°C (176 to 212°F).

(b) Place the cylinder head on wooden blocks.

(c) Using SST and a hammer, tap out the guide bush.

SST : 09201-10000

09201-01050

SST : 09950-70010

09951-07100

3. INSTALL INTAKE VALVE GUIDE BUSH

(a) Heat the cylinder head to 80 to 100°C (176 to 212°F).

(b) Place the cylinder head on wooden blocks.

(c) Using a caliper gauge, measure the bush bore diameter of the cylinder head.

Standard diameter:

10.285 to 10.306 mm (0.4049 to 0.4058 in.)

(d) Install the STD bush if the diameter is within the specified diameter.

Standard diameter:

10.333 to 10.344 mm (0.4068 to 0.4072 in.)

(e) Using SST and a hammer, tap in a new guide bush to the specified protrusion height.

SST : 09201-10000

09201-01050

SST : 09950-70010

09951-07100

Standard protrusion height:

9.6 to 10 mm (0.3780 to 0.3937 in.)

(f) Using a sharp 5.5 mm reamer, ream the valve guide bush to the standard specified clearance between the valve guide bush and valve stem.

Standard oil clearance:

0.025 to 0.060 mm (0.0010 to 0.0024 in.)

4. INSTALL EXHAUST VALVE GUIDE BUSH

(e) Using SST and a hammer, tap in a new guide bush to the specified protrusion height.

SST : 09201-10000

09201-01050

SST : 09950-70010

09951-07100

Standard protrusion height:

9.6 to 10.0 mm (0.3780 to 0.3937 in.)

(f) Using a sharp 5.5 mm reamer, ream the valve guide bush to the standard specified clearance between the valve guide bush and valve stem.

Standard oil clearance:

0.030 to 0.065 mm (0.0012 to 0.0026 in.)