FX45 AWD V8-4.5L (VK45DE) (2006)
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Crankshaft: Specifications
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 dial indicator.
Standard: 0.10 - 0.25 mm (0.0039 - 0.0098 inch)
Limit: 0.30 mm (0.0118 inch)
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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.
CRANKSHAFT OUT-OF-ROUND AND TAPER
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Measure the dimensions at four different points as shown in the figure on each main journal and pin journal with micrometer.
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Out-of-round is indicated by the difference in the dimensions between X and Y at A and B.
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Taper is indicated by the difference in the dimensions between A and B at X and Y.
Limit:
Out-of-round (Difference between X and Y): 0.015 mm (0.0006 inch)
Taper (Difference between A and B): 0.010 mm (0.0004 inch)
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If the measured value exceeds the limit, correct or replace crankshaft.
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If corrected, measure the bearing oil clearance of the corrected main journal and/or pin journal. Then select the main bearing and/or connecting
rod bearing.
CRANKSHAFT RUNOUT
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Place V-block on precise flat table, and support the journals on the both end of crankshaft.
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Place dial indicator straight up on the No. 3 journal.
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While rotating crankshaft, read the movement of the pointer on dial indicator. (Total indicator reading)
Limit: 0.10 mm (0.004 inch)
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If it exceeds the limit replace crankshaft.
