W 250 Pickup L6-359 5.9L DSL (1989)
Crankshaft Main Bearing: Service and Repair
DETERMINE MAIN BEARING CLEARANCE
Install the main bearings and measure main bearing bore diameter with main bolts tightened to 176 N-m [130 ft-lbs]. Record for later reference.
Diameter
MAX 83.106 mm 3.2719 in
Measure the diameter of the main journal at the locations shown. Calculate the average diameter for each side of the journal.
Main Journal Diameter Limits
MIN 82.962 mm 3.2662 in
MAX 83.013 mm 3.2682 in
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Out-of-Roundness: 0.050 mm [0.002 inch] Maximum
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Taper: 0.013mm [0.0005 inch] Maximum
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Bearing Clearance: 0.119mm [0.0047 inch] Maximum (Main bore diameter with bearings installed - Crankshaft main journal diameter.)
