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Crankshaft & Main Bearings

WARNING: This page is about a different car, the 1995 Jeep Grand Cherokee, 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. Crankshaft is marked to indicate undersize main bearings. See SPECIAL ENGINE MARKS under IDENTIFICATION . Main bearing cap location and direction of installation should be marked before removal.
  2. Ensure journal diameter, taper and out-of-round are within specification. See CRANKSHAFT , MAIN & CONNECTING ROD BEARINGS table under ENGINE SPECIFICATIONS. Upper main bearings contain oil holes while lower bearings installed in main bearing cap do not.
  3. Apply light coat of engine oil to threads before tightening bolt to specification. See TORQUE SPECIFICATIONS . Ensure oil clearance and end play are within specification. See CRANKSHAFT , MAIN & CONNECTING ROD BEARINGS table.
CAUTION: Crankshaft journal grinding should not exceed .012" (.30 mm) under standard size. DO NOT grind thrust surfaces of No. 3 main bearing. Final paper or cloth polishing after regrind must be done in same direction as engine rotation.
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