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If the oil clearance is more than the maximum, replace the valve and guide bush. 7. INSPECT INTAKE VALVE SEAT Fig. 52: Identifying Intake Valve Seat a. Apply a light coat of Prussian blue to the valve face. b. Lightly press the valve face against the valve seat. HINT: Do not rotate the valve while pressing the valve. c. Check the valve face and valve seat. 1. Check that the contact surfaces of the valve seat and valve face are in the middle area of their respective surfaces, with the width between 1.1 to 1.5 mm (0.0433 to 0.0591 in.). If not, 2. Check that the contact surfaces of the valve seat and valve face are even around the entire valve seat. If not, correct the valve seat. 8. INSPECT EXHAUST VALVE SEAT Item Specified Condition Intake 0.08 mm (0.00315 in.) Exhaust 0.10 mm (0.00394 in.)
2009 Toyota Tundra 2009 ENGINE Engine Mechanical (3UR-FBE) - Tundra
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