## Engine Block

#### Crankshaft Main Bearing Replacement (cont'd)

7-6

Crankshaft Bearing Grade Selection

1. When installing the new crankshaft bearings or replacing old bearings, refer to the selection table below.

Cylinder Block Journal | Crankshaft Journal | Crankshaft Bearing Grade Mark | Oil Clearance (Reference)
Grade Mark | Diameter | Grade Mark | Diameter
1 | 55.992 – 56.000 mm |  | 51.918 – 51.928 mm | Blue | 0.032 – 0.058 mm
| 51.928 – 51.938 mm | Black | 0.030 – 0.056 mm
2 | 55.984 – 55.992 mm |  | 51.918 – 51.928 mm | 0.032 – 0.058 mm
| 51.928 – 51.938 mm | Brown | 0.030 – 0.056 mm
3 | 55.976 – 55.984 mm |  | 51.918 – 51.928 mm | 0.032 – 0.058 mm
| 51.928 – 51.938 mm | Green | 0.030 – 0.056 mm

1. Select and install the new crankshaft bearings, paying close attention to the cylinder block journal hole diameter grade mark and the crankshaft journal diameter grade mark.

1. Check to see if the bearing has enough tension, so that a good finger pressure is needed to fit the bearing into position.

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