Durango 4WD V6-3.9L VIN X (1998)
Crankshaft Main Bearing: Service and Repair
Fitting Bearings
Bearing caps are NOT interchangeable and should be marked at removal to ensure correct assembly.
Upper and lower bearing halves are NOT interchangeable. Lower main bearing halves of No. 1 and 3 are interchangeable.
Main Bearing Identitification
Upper and lower No. 2 bearing halves are flanged to carry the crankshaft thrust loads. They are NOT interchangeable with any other bearing halves in
the engine. Bearing shells are available in standard in the following undersizes: 0.25 mm (0.001 inch), 0.051 mm (0.002 inch), 0.076 mm (0.003
inch), 0.254 mm (0.010 inch) and 0.305 mm (0.012 inch). Never install an undersize bearing that will reduce clearance below specifications.