Titan 4WD V8-5.6L (VK56DE) Flex Fuel (2009)
Use Undersize Bearing Usage Guide
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Use undersize (US) bearing when the oil clearance with standard size main bearing is not within specification.
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When using undersize (US) bearing, measure the inside diameter of the bearing installed and grind the journal until the oil clearance falls within
specification.
Bearing undersize table
CAUTION:
Do not damage fillet R when grinding crankshaft journal in order to use undersized bearing (All journals).
Fillet R : 1.5 - 1.7 mm (0.059 - 0.067 in)