Toyota Tundra (2015 year). Manual — part 2554
(h) 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
(d) Using a caliper gauge, measure the bush bore diameter of
the cylinder head.
Standard cylinder bore diameter:
10.285 to 10.306 mm (0.405 to 0.406 in.)
(e) Select a new guide bush (STD or O/S 0.05), and measure its diameter.
BUSH SIZE
SPECIFIED CONDITION
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.)
Standard bush length:
46.8 to 47.2 mm (1.84 to 1.86 in.)
3UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACE...
(g) 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.)
(h) 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 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 protrusion:
ITEM
SPECIFIED CONDITION
Ring pin A
5.5 to 6.5 mm (0.217 to 0.256 in.)
Ring pin B
3.5 to 6.5 mm (0.138 to 0.256 in.)
3UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REPLACE...
Last Modified: 9-16-2014
6.6 A
Doc ID: RM000002OP903DX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REASSEMBLY; 2015 MY Tundra [08/2014 - ]
REASSEMBLY
1. INSTALL STUD BOLT
(a) Using E7 and E8 "TORX" socket wrenches, install the stud bolts.
Torque:
for stud bolts A, B, C, D -
9.0 N·m {92 kgf·cm, 80in·lbf}
2. INSTALL NO. 2 STRAIGHT SCREW PLUG
3UR-FE ENGINE MECHANICAL: CYLINDER HEAD: REASSEMBL...
(a) Using a 14 mm hexagon wrench, install 2 new gaskets and
the 2 straight screw plugs.
Torque:
85 N·m {867 kgf·cm, 63ft·lbf}
3. INSTALL NO. 1 STRAIGHT SCREW PLUG
(a) Using a 10 mm hexagon wrench, install 6 new gaskets and
the 6 straight screw plugs.
Torque:
44 N·m {449 kgf·cm, 32ft·lbf}
4. INSTALL VALVE SPRING SEAT
(a) Install the valve spring seats to the cylinder head.
5. INSTALL VALVE STEM OIL SEAL
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