G37x Coupe AWD V6-3.7L (VQ37VHR) (2009)
Crankshaft: Service and Repair
CYLINDER BLOCK
Inspection
CRANKSHAFT END PLAY
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Measure the clearance between thrust bearings and crankshaft arm when crankshaft is moved fully forward or backward with a dial indicator.
Standard and limit : Refer to Cylinder Block See: Specifications
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If the measured value exceeds the limit, replace thrust bearings, and measure again. If it still exceeds the limit, replace crankshaft also.
CONNECTING ROD SIDE CLEARANCE
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Measure the side clearance between connecting rod and crankshaft arm with a feeler gauge.
Standard and limit : Refer to "Cylinder Block".
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If the measured value exceeds the limit, replace connecting rod, and measure again. If it still exceeds the limit, replace crankshaft also.
PISTON TO PISTON PIN OIL CLEARANCE
Piston Pin Hole Diameter
Measure the inner diameter of piston pin hole with an inside micrometer (A).
Standard : Refer to "Cylinder Block" See: Specifications
Piston Pin Outer Diameter
Measure the outer diameter of piston pin with a micrometer (A).