Replacement [01/2019 - 11/2022]: Procedure

WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, 2020 Toyota Corolla, and 2019 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

REPLACE RING PIN

HINT:

It is not necessary to remove the ring pins unless they are being replaced.

Remove the 2 ring pins.

Using a plastic-faced hammer, tap in 2 new ring pins to the specified protrusion height.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Protrusion Height
*b	Height
*c	Width

Standard Ring Pin

Item	Height	Width	Protrusion Height
Ring pin	11.7 to 12.3 mm (0.461 to 0.484 in.)	12.0 mm (0.472 in.)	6.5 to 7.5 mm (0.256 to 0.295 in.)

REPLACE STUD BOLT

HINT:

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

Using an E7 and E8 "TORX" socket, install the stud bolts.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Intake Side	*b	Exhaust Side
*c	24 mm (0.945 in.)	*d	13 mm (0.512 in.)
*e	49.5 mm (1.95 in.)	*f	20 mm (0.787 in.)
*g	42 mm (1.65 in.)	-	-

Torque: 9.5 N.m (97 kgf/cm, 84 in.lbf)

REPLACE INTAKE VALVE GUIDE BUSH

WARNING:

Do not touch the cylinder head sub-assembly without wearing protective gloves, as it may get very hot during operation.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Be sure to wear protective gloves to avoid burns.

Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
Place the cylinder head sub-assembly on wooden blocks.

Using SST and a hammer, tap out the intake valve guide bush.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

SST: 09201-10000
1. 09201-01050
SST: 09950-70010
1. 09951-07100

Using a caliper gauge, measure the intake valve guide bush bore diameter of the cylinder head sub-assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Bush Bore Diameter

10.285 to 10.306 mm (0.4049 to 0.4057 in.)

New Guide Bush Selection Chart (STD or O/S 0.05)

Bush Size	Bush Diameter
STD	10.333 to 10.344 mm (0.4068 to 0.4072 in.)
O/S 0.05	10.383 to 10.394 mm (0.4088 to 0.4092 in.)

HINT:

If the intake valve guide bush bore diameter is more than 10.306 mm (0.40575 in.), machine the intake valve guide bush bore to a dimension of 10.335 to 10.356 mm (0.40689 to 0.40772 in.) to install an O/S 0.05 intake valve guide bush.
If the intake valve guide bush bore diameter of the cylinder head sub-assembly is more than 10.356 mm (0.40772 in.), replace the cylinder head sub-assembly.

Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
Place the cylinder head sub-assembly on wooden blocks.

Using SST and a hammer, tap in a new intake valve guide bush to the specified protrusion height.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Height

SST: 09201-10000
1. 09201-01050
SST: 09950-70010
1. 09951-07100

Standard Protrusion Height

9.9 to 10.3 mm (0.390 to 0.406 in.)

Using a sharp 5.5 mm reamer, ream the intake valve guide bush to obtain the standard clearance between the intake valve guide bush and valve stem.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Oil Clearance

0.025 to 0.060 mm (0.000984 to 0.00236 in.)

REPLACE EXHAUST VALVE GUIDE BUSH

WARNING:

Do not touch the cylinder head sub-assembly without wearing protective gloves, as it may get very hot during operation.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Be sure to wear protective gloves to avoid burns.

Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
Place the cylinder head sub-assembly on wooden blocks.

Using SST and a hammer, tap out the exhaust valve guide bush.

SST: 09201-10000
1. 09201-01050
SST: 09950-70010
1. 09951-07100

Using a caliper gauge, measure the exhaust valve guide bush bore diameter of the cylinder head sub-assembly.

Standard Exhaust Valve Guide Bush Bore Diameter

10.285 to 10.306 mm (0.4049 to 0.4057 in.)

New Guide Bush Selection Chart

Bush Size	Bush Diameter
STD	10.333 to 10.344 mm (0.4068 to 0.4072 in.)
O/S 0.05	10.383 to 10.394 mm (0.4088 to 0.4092 in.)

HINT:

If the exhaust valve guide bush bore diameter is more than 10.306 mm (0.40575 in.), machine the exhaust valve guide bush bore to a dimension of 10.335 to 10.356 mm (0.40689 to 0.40772 in.) to install an O/S 0.05 exhaust valve guide bush.
If the exhaust valve guide bush bore diameter of the cylinder head sub-assembly is more than 10.356 mm (0.40772 in.), replace the cylinder head sub-assembly.

Heat the cylinder head sub-assembly to 80 to 100°C (176 to 212°F).
Place the cylinder head sub-assembly on wooden blocks.

Using SST and a hammer, tap in a new exhaust valve guide bush to the specified protrusion height.

Height

SST: 09201-10000
1. 09201-01050
SST: 09950-70010
1. 09951-07100

Standard Protrusion Height

11.15 to 11.55 mm (0.439 to 0.455 in.)

Using a sharp 5.5 mm reamer, ream the exhaust valve guide bush to obtain the standard oil clearance between the exhaust valve guide bush and valve stem.

Standard Oil Clearance

0.030 to 0.065 mm (0.00118 to 0.00256 in.)