Navigator 4WD V8-5.4L SOHC VIN L (1998)
4. Verify the crankshaft journal clearance.
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If it is out of specification, replace as necessary.
Main Bearing Journal Diameter
Measure each of the crankshaft main bearing journal diameters in at least two directions.
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If it is out of specification, replace as necessary.
Main Bearing Journal Taper
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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If it is out of specification, replace as necessary.
