Ranger 2WD V6-3.0L VIN U (1998)
4. Verify the crankshaft journal clearance.
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If it is out of specification, replace as necessary.
Main Bearing Journal Taper
1. Measure each of the crankshaft main bearing journal diameters in at least two directions at each end of the main bearing journal.
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Subtract the low reading from the high reading.
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If out of specification, replace as necessary.
