RAM 2500 Truck 2WD L6-5.9L DSL Turbo VIN 7 (2001)
Crankshaft Main Bearing: Service and Repair
STANDARD PROCEDURE-MAIN BEARING CLEARANCE
Inspect the main bearing bores for damage or abnormal wear.
Install the crankshaft main bearings and measure main bearing bore diameter with the main bolts tightened to 176 Nm (130 ft. lbs.) torque (Fig. 101).
Measure the diameter of the main journal at the locations shown (Fig. 102). Calculate the average diameter for each side of the journal.
MAIN BEARING BORE DIAMETER CHART
Calculate the main bearing journal to bearing clearance. the clearance specifications are 0.119 mm (0.00475 inch). If the crankshaft journal is within
limits, replace the main bearings. If not within specifications, grind the crankshaft to next size and use oversize bearings.
