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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical (5.6L)) >> Unit Disassembly And Assembly >> How To Select Piston And Bearing >> Main Bearing >> When New Cylinder Block And Crankshaft Are Used

When New Cylinder Block And Crankshaft Are Used

WARNING: This page is about a different variant/trim than selected.
  1. Apply the main bearing housing grade on the bottom face of the cylinder block to the row in "MAIN BEARING SELECTION TABLE".
    G04132361Courtesy of NISSAN NORTH AMERICA, INC.
  2. "MAIN BEARING SELECTION TABLE" columns correspond to journal diameter grade on front side of crankshaft.
    GNSJPBIA2283Z-283Courtesy of NISSAN NORTH AMERICA, INC.

    (A)

    : Pin diameter grade No. 1

    (B)

    : Pin diameter grade No. 2

    (C)

    : Pin diameter grade No. 3

    (D)

    : Pin diameter grade No. 4

    (E)

    : Journal diameter grade No. 1

    (F)

    : Journal diameter grade No. 2

    (G)

    : Journal diameter grade No. 3

    (H)

    : Journal diameter grade No. 4

    (I)

    : Journal diameter grade No. 5
  3. Select main bearing grade at the point where selected row and column meet in "MAIN BEARING SELECTION TABLE".
    CAUTION:
    • Initial clearance for No. 1, 5 journal and No. 2, 3, 4 journal is different. Use two different selection table for each part.
    • No. 1, 5 journal and No. 2, 3, 4 journal have the same signs but different measures. Never confuse.
  4. Apply sign at crossing in above step 3 to "MAIN BEARING GRADE TABLE".
    NOTE:
    • "MAIN BEARING GRADE TABLE" applies to all journals.
    • Service parts are available as a set of both upper and lower.
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