Cylinder Head: Replacement

WARNING: This page is about a different variant/trim than selected.

REMOVE INTAKE VALVE GUIDE BUSH
1. Heat the cylinder head to 80 to 100°C (176 to 212°F).
2. Place the cylinder head on wooden blocks.
3. Using SST and a hammer, tap out the guide bush.
  SST 09202-70020 (09202-00010)
  
  Fig 1: Tapping Out Guide Bush
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE EXHAUST VALVE GUIDE BUSH
1. Heat the cylinder head to 80 to 100°C (176 to 212°F).
2. Place the cylinder head on wooden blocks.
3. Using SST and a hammer, tap out the guide bush.
  SST 09202-70020 (09202-00010)
  
  Fig 2: Tapping Out Guide Bush
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL INTAKE VALVE GUIDE BUSH

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

Cylinder bore diameter:

10.285 to 10.306 mm (0.4049 to 0.4057 in.)

Select a New Guide Bush (STD or O/S 0.05)

GUIDE BUSH CHART

Bush Size	Bush Bore Diameter
Use STD	10.285 to 10.306 mm (0.4049 to 0.4057 in.)
Use O/S 0.05	10.335 to 10.356 mm (0.4069 to 0.4077 in.)

Fig 3: Measuring Bush Bore Diameter Of Cylinder Head

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the cylinder head bush bore diameter is greater than 10.306 mm (0.4057 in.), machine the bush bore to a dimension of 10.335 to 10.356 mm (0.4069 to 0.4077 in.) and install an O/S 0.05 valve guide bush. If the bush bore diameter of the cylinder head is greater than 10.356 mm (0.4077 in.), replace the cylinder head.

Heat the cylinder head to 80 to 100°C (176 to 212°F).
Place the cylinder head on wooden blocks.
Using SST and a hammer, tap in a new guide bush to the specified protrusion height.
SST 09201 -10000 (09201 -01050), 09950-70010 (09951-07100)

Protrusion height:

9.6 to 10.0 mm (0.3779 to 0.3937 in.)

Fig 4: Tapping Guide Bush
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Using a sharp 5.5 mm reamer, ream the guide bush to obtain the standard specified clearance between the guide bush and valve stem.
Standard oil clearance:

0.025 to 0.060 mm (0.0010 to 0.0024 in.)

Fig 5: Reaming Guide Bush
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL EXHAUST VALVE GUIDE BUSH

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

Cylinder bore diameter:

10.285 to 10.306 mm (0.4049 to 0.4057 in.)

Select a New Guide Bush (STD or O/S 0.05)

GUIDE BUSH CHART

Bush Size	Bush Bore Diameter
Use STD	10.285 to 10.306 mm (0.4049 to 0.4057 in.)
Use O/S 0.05	10.335 to 10.356 mm (0.4069 to 0.4077 in.)

Fig 6: Measuring Bush Bore Diameter Of Cylinder Head

Heat the cylinder head to 80 to 100°C (176 to 212°F).
Place the cylinder head on wooden blocks.
Using SST and a hammer, tap in a new guide bush to the specified protrusion height.
SST 09201 -10000 (09201-01050), 09950-70010 (09951-07100)

Protrusion height:

9.6 to 10.0 mm (0.3779 to 0.3937 in.)

Fig 7: Tapping Guide Bush
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Using a sharp 5.5 mm reamer, ream the guide bush to obtain the standard specified clearance between the guide bush and valve stem.
Standard oil clearance:

0.030 to 0.065 mm (0.00118 to 0.00256 in.)

Fig 8: Reaming Guide Bush
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002