Crankshaft Inspection

Out-of-Round and Taper
  1. Remove the crankshaft from the engine block.
  1. Clean the crankshaft oil passages with pipe cleaners or a suitable brush.
  1. Clean the keyway and threads.
  1. Measure the out-of-round at the middle of each rod and the main journal in two places. The difference between measurements on each journal must not be more than the service limit.
    Journal Out-of-Round
    Standard (New):
    0.004 mm (0.0002 in.) max.
    Service Limit:
    0.010 mm (0.0004 in.)

  1. Measure the taper at the edges of each rod and the main journal. The difference between measurements on each journal must not be more than the service limit.
    Journal Taper
    Standard (New):
    0.005 mm (0.0002 in.) max.
    Service Limit:
    0.010 mm (0.0004 in.)