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Home >> Honda >> 2013 >> CR-Z Base, Automatic CVT Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Block >> Crankshaft Inspection >> Out-of-Round and Taper

Out-of-Round and Taper

  1. Remove the crankshaft from the engine block (see CRANKSHAFT AND PISTON REMOVAL  ).
  2. Clean the crankshaft oil passages with pipe cleaners or a suitable brush.
  3. Check the keyway slot and threaded holes for damage.
  4. 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): 0.005 mm (0.00020 in) max. 

    Service Limit: 0.010 mm (0.00039 in) 

    Fig 1: Identifying Journal Out-Of-Round
    G06949516Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. 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 (0.00020 in) max. 

    Service Limit: 0.010 mm (0.00039 in) 

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