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If the overall length is less than the minimum, replace the intake valve Fig. 47: Checking Valve's Overall Length 5 INSPECT EXHAUST VALVE a Using a micrometer, measure the diameter of the valve stem Standard valve stem diameter: 5.465 to 5.480 mm (0.215 to 0.216 in.) Fig. 48: Checking Diameter Of Valve Stem b Using a vernier caliper, measure the valve head margin thickness Standard margin thickness: 1.4 mm (0.0551 in.) Minimum margin thickness: 0.50 mm (0.0197 in.) If the margin thickness is less than the minimum, replace the exhaust valve
2009 Toyota Tundra 2009 ENGINE Engine Mechanical (3UR-FBE) - Tundra
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