G37x Sedan AWD V6-3.7L (VQ37VHR) (2010)
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Measure the outer diameter at 1/2 height of valve lifter (INT) with a micrometer (A) since valve lifter is in barrel shape.
Standard : Refer to EM-149, "Camshaft". See: Specifications
VALVE LIFTER HOLE DIAMETER
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Measure the inner diameter of valve lifter hole of cylinder head with an inside micrometer.
Standard : Refer to EM-149, "Camshaft". See: Specifications
VALVE LIFTER CLEARANCE
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(Valve lifter clearance) = (Valve lifter hole diameter) - (Valve lifter outer diameter)
Standard : Refer to EM-149, "Camshaft". See: Specifications
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If the calculated value is out of the standard, replace VVEL ladder assembly and cylinder head assembly.
NOTE:
Since the valve lifter (INT) cannot be replaced by the piece, VVEL ladder assembly and cylinder head assembly replacement are required.
VVEL Ladder Assembly
DRIVE SHAFT OPERATIONAL CHECK
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Hold the both ends of the drive shaft (A) and rotate it to check that it rotates smoothly.
CAUTION:
Turn VVEL ladder assembly upside down to prevent the drive shaft from dropping off.
CONTROL SHAFT OPERATIONAL CHECK