Engine Block and Piston Inspection

  1. Remove the crankshaft and the pistons.
  1. Check the piston for distortion or cracks.
  1. Measure the piston diameter at a point 14 mm (0.55 in.) from the bottom of the skirt.
    Piston Skirt Diameter
    Standard (New):
    80.980−80.990 mm (3.1881−3.1886 in.)
    Service Limit:
    80.93 mm (3.186 in.)


    Oversize Piston Skirt Diameter
    0.25:
    81.230−81.240 mm (3.1980−3.1984 in.)