Toyota Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications

Main bearing cap bolt tension portion diameter 

STD ..............................................................................................................................................................  10.760 - 10.970 mm (0.4236 - 0.4319 inch) 
Minimum .....................................................................................................................................................................................  10.40 mm (0.4094 inch)

Main bearing center wall thickness (Reference)

No. 1 and No. 5 Mark 3 ....................................................................................................................................  2.481 - 2.484 mm (0.0977 - 0.0978 inch)
4 ........................................................................................................................................................................  2.484 - 2.487 mm (0.0978 - 0.0979 inch)
5 ........................................................................................................................................................................  2.487 - 2.490 mm (0.0979 - 0.0980 inch)
6 .......................................................................................................................................................................  2.490 - 2.493 mm (0.0980 - 0.0981 inch) 
7 ........................................................................................................................................................................  2.493 - 2.496 mm (0.0981 - 0.0983 inch)
Others 

Mark 1 .........................................................................................................................................................  2.481 - 2.484 mm (0.0977 - 0.0978 inch)
2 ..................................................................................................................................................................  2.484 - 2.487 mm (0.0978 - 0.0979 inch)
3 ..................................................................................................................................................................  2.487 - 2.490 mm (0.0979 - 0.0980 inch)
4 ..................................................................................................................................................................  2.490 - 2.493 mm (0.0980 - 0.0981 inch)
5 ..................................................................................................................................................................  2.493 - 2.496 mm (0.0981 - 0.0983 inch)

Main bearing cap x Cylinder block 

1st .....................................................................................................................................................................................  27 Nm (275 kgf-cm, 20 ft. lbs.)
2nd .........................................................................................................................................................................................  Turn 90° Turn 90° Turn 90°