Toyota Tundra (2015 year). Manual — part 1340
Last Modified: 9-16-2014
6.6 A
Doc ID: RM000002OP503FX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 1UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACEMENT; 2015 MY Tundra [08/2014 - ]
REPLACEMENT
1. REPLACE INTAKE VALVE GUIDE BUSH
(a) Heat the cylinder head to approximately 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 valve guide bush.
SST: 09201-10000
09201-01050
SST: 09950-70010
09951-07100
Standard Cylinder Head Inside Diameter:
BUSH SIZE
SPECIFIED CONDITION
STD
10.285 to 10.306 mm (0.4049 to 0.4057 in.)
O/S 0.05
10.335 to 10.356 mm (0.4069 to 0.4077 in.)
(e) Select a new valve guide bush.
New Valve Guide Bush:
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:
Standard bush length: 41.3 to 41.7 mm (1.63 to 1.64 in.)
1UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACE...
(f) Using SST and a hammer, tap in a new guide bush to the
standard protrusion height.
SST: 09201-10000
09201-01050
SST: 09950-70010
09951-07100
Standard protrusion height:
14.3 to 14.7 mm (0.563 to 0.579 in.)
(g) Using a sharp 5.5 mm reamer, ream the guide bush to obtain
the standard oil clearance between the guide bush and valve
stem.
Standard oil clearance:
0.025 to 0.060 mm (0.000984 to 0.00236 in.)
2. REPLACE EXHAUST VALVE GUIDE BUSH
(a) Heat the cylinder head to approximately 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 valve guide bush.
SST: 09201-10000
09201-01050
SST: 09950-70010
09951-07100
Standard Cylinder Head Inside Diameter:
BUSH SIZE
SPECIFIED CONDITION
STD
10.285 to 10.306 mm (0.4049 to 0.4057 in.)
O/S 0.05
10.335 to 10.356 mm (0.4069 to 0.4077 in.)
(e) Select a new valve guide bush.
New Valve Guide Bush:
BUSH SIZE
BUSH DIAMETER
STD
10.333 to 10.344 mm (0.4068 to 0.4072 in.)
1UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACE...
BUSH SIZE
BUSH DIAMETER
O/S 0.05
10.383 to 10.394 mm (0.4088 to 0.4092 in.)
HINT:
Standard bush length: 46.8 to 47.2 mm (1.84 to 1.86 in.)
(f) Using SST and a hammer, tap in a new guide bush to the
standard protrusion height.
SST: 09201-10000
09201-01050
SST: 09950-70010
09951-07100
Standard protrusion height:
14.3 to 14.7 mm (0.563 to 0.579 in.)
(g) Using a sharp 5.5 mm reamer, ream the guide bush to obtain
the standard oil clearance between the guide bush and valve
stem.
Standard oil clearance:
0.030 to 0.065 mm (0.00118 to 0.00256 in.)
3. REPLACE SPARK PLUG TUBE
HINT:
When using a new cylinder head, the spark plug tubes must be replaced.
(a) Remove the spark plug tube.
Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent.
Standard seal diameter:
15 mm (0.591 in.)
1UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACE...
NOTICE:
Install the spark plug tube within 3 minutes after applying adhesive.
Be careful not to deform the spark plug tube.
Be careful not to expose the seal to coolant for at least 1 hour after installing it.
(c) Using a wooden block and hammer, tap in the spark plug tube to
the specified protrusion height.
Standard protrusion height:
75.1 to 76.1 mm (2.96 to 3.00 in.)
NOTICE:
To avoid tapping in the spark plug tube too far, measure the
protrusion height while tapping it.
4. REPLACE RING PIN
NOTICE:
It is not necessary to remove the ring pin unless it is being replaced.
(a) Remove the ring pins.
(b) Using a plastic-faced hammer, tap in new ring pins to the cylinder head.
Standard Ring Pin:
1UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACE...
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