Nissan Micra K11 silhouetteK11

CYLINDER BLOCK — Disassembly (Cont'd) / Inspection / Piston and Piston Pin Clearance

EM-46prose procedure

Disassembly (Cont'd)

Cylinder block disassembly (continued)

  1. 8
    Remove main bearing beam and crankshaft.
    Before removing main bearing beam, measure crankshaft end play. (Refer to cylinder block assembly section.)
    Bolts should be loosened in two or three stages and in the order shown.
    Main bearing beam top view with the 10 cap bolts numbered ①-⑩ for the loosening sequence; instruction below reads "Loosen in numerical order." Arrow indicates orientation.
    NEM063
  2. 9
    Remove the crankcase breather bracket. Remove the filter mesh. Clean filter before refitting.
    Cylinder block lower view with crankcase breather bracket on the main bearing beam being unbolted; arrows mark bolt positions to remove.
    UEM083

Inspection

Piston and piston pin clearance

  1. 1
    Measure inner diameter of piston pin hole. Standard diameter: 18.004 - 18.010 mm (0.7088 - 0.7091 in).
    Hand using a small dial bore gauge to measure inner diameter of a piston pin hole in the piston.
    SEM149B
Piston pin hole standard inner diameterStandard
18.004 - 18.010 (0.7088 - 0.7091)mm (in)

See also

cylinder block assembly

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