Crankshaft Main Bearing: Specifications

Intermediate Section Fasteners
Install new fasteners
Tighten in sequence from the center and work outwards
Stage 1: M10 20 Nm
Stage 2: M10 45 Nm
Stage 3: M8 24 Nm
Stage 4: M7 17 Nm
Stage 5: M10 90°

Crankshaft Main Bearings

Marking





1. P/N
2. Cylinder class
3. Bearing class
4. Engine serial number
5. Engine type

Classification of Main Bearings





Crankshaft





Big End Journals





Main Bearing Journals





Main Bearing Classes









1. Classification cylinder block
2. Classification crankshaft
3. Cylinder block
4. Intermediate section
5. Main bearing
6. Throw-out bearing
7. Thickness