Crankshaft Removal Inspect • Check the main bearing caps for location markings. Mark the caps if necessary. The caps must be returned to their original locations during assembly. Remove or Disconnect Notice Be sure to mark bearings, rod and piston assemblies so when they are installed they will be in the correct location. 1 . Remove crankshaft bearing cap bolts. 2 . Remove the crankshaft bearings and lower bearing inserts 3 . Remove the crankshaft from the cylinder block with extreme care, take care to avoid damage to crankshaft journals and thrust flange surfaces. 4 . Remove upper main bearing inserts. G643 (E) Service Manual Chapter 3. Engine Mechanical System 71