Nissan 100NX N14 silhouetteN14

Cylinder Block - Assembly (Cont'd)

EM-247prose procedure

Main bearing beam applies to CD20.

Continued from EM-246

Assembly (Cont'd)

CRANKSHAFT (Cont'd)

  1. 2
    Apply engine oil to main bearing surfaces on crankshaft journal side.
    CD20 main bearing cap and bearing beam diagram. Top shows the cylinder block with numbered bearing positions (1-6) and bolt circle. Below, the main bearing caps numbered 1-5 with 'Front mark' (F) arrows, 'Bearing No.' label, and an 'Engine front' arrow indicating orientation.
    SEM702D
  2. 3
    Install crankshaft and main bearing caps and main bearing beam (CD20).
    Main bearing cap bolt: 44 - 54 N·m (4.5 - 5.5 kg-m, 33 - 40 ft-lb)
  3. 4
    Tighten main bearing cap bolts.
    Arrange the parts so that the indicated numbers on bearing caps are in a row from the front of engine.
    Tighten bearing cap bolts gradually in two or three stages and outwardly from center bearing in sequence.
    After securing bearing cap bolts, ascertain that crankshaft turns smoothly.
  4. 5
    Measure crankshaft free end play at center bearing.
    Crankshaft free end play measurement using a dial gauge mounted against the crankshaft to measure axial movement at the center bearing.
    SEM607
Crankshaft free end play (Standard)Standard
0.05 - 0.18mm (0.0020 - 0.0071 in)
Crankshaft free end play (Limit)Limit
0.30mm (0.0118 in)

PISTON WITH CONNECTING ROD

  1. 1
    Install connecting rod bearings in the connecting rods and connecting rod caps.
    Confirm that correct size of bearings is used. Refer to "Inspection".
    Install the bearings so that the oil hole in the connecting rod aligns with the oil hole of the bearing.
    Apply engine oil to connecting rod bearing surfaces on the crankshaft journal side.
    Connecting rod bearings being installed into connecting rod and cap, showing oil hole alignment with the bearing.
    SEM159B
Set piston rings as shown.
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See also

Inspection

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