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Toyota Tundra (2015 year). Manual - part 1339
exhaust valve.
(c) Using a vernier caliper, measure the valve overall length.
Standard overall length:
110.40 mm (4.35 in.)
Minimum overall length:
109.90 mm (4.33 in.)
If the overall length is less than the minimum, replace the
exhaust valve.
6. INSPECT VALVE GUIDE BUSH OIL CLEARANCE
Standard bush inside diameter:
5.51 to 5.53 mm (0.217 to 0.218 in.)
(b) Subtract the valve stem diameter measurement from the guide
bush inside diameter measurement.
Standard Oil Clearance:
ITEM
SPECIFIED CONDITION
Intake
0.025 to 0.060 mm (0.000984 to 0.00236 in.)
Exhaust
0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Maximum Oil Clearance:
ITEM
SPECIFIED CONDITION
Intake
0.08 mm (0.00315 in.)
Exhaust
0.10 mm (0.00394 in.)
If the oil clearance is more than the maximum, replace the valve
and guide bush.
7. INSPECT INTAKE VALVE SEAT
HINT:
Do not rotate the valve while pressing the valve.
(c) Check the valve face and valve seat.
the width between 1.1 to 1.5 mm (0.0433 to 0.0591 in.).
1UR-FE ENGINE MECHANICAL: CYLINDER HEAD: INSPECTION...