Rogue 4WD L4-2.5L (QR25DE) (2009)
Standard : Refer to See: Specifications
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If out of the standard, measure the main bearing oil clearance.
Then use undersize bearing. Refer to See: Crankshaft Main Bearing/Service and Repair.
CRANKSHAFT PIN JOURNAL DIAMETER
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Measure the outer diameter of crankshaft pin journal with a micrometer.
Standard : Refer to See: Specifications
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If out of the standard, measure the connecting rod bearing oil clearance. Then use undersize bearing. Refer to See: Connecting Rod
Bearing/Service and Repair.
OUT-OF-ROUND AND TAPER OF CRANKSHAFT
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Measure the dimensions at four different points as shown in the figure on each main journal and pin journal with a micrometer.
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Out-of-round is indicated by the difference in dimensions between "X" and "Y" at "A" and "B".
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Taper is indicated by the difference in dimension between "A" and "B" at "X" and "Y".
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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 main bearing and/or connecting rod
bearing. Refer to See: Connecting Rod Bearing/Specifications and/or See: Crankshaft Main Bearing/Specifications.
CRANKSHAFT RUNOUT
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Place a V-block on a precise flat table to support the journals on the both end of the crankshaft.