Crankshaft Main Bearing

Crankshaft Main Bearing Cap Bolts

Inspection





Make sure underhead length of the bolt is at or below limit
If length exceeds the limit, replace bolt with a new one
Limit 75.5 - 76.5 mm (2.972 - 3.012 inch)

Tightening Sequence





First step 26.5 ± 2.0 Nm (20 ± 1 ft-lb) in sequence
Second step Tighten bolts 45° in sequence

Crankshaft End Play
Standard value 0.05 - 0.25 mm (0.002 - 0.010 inch)
Limit 0.4 mm (0.016 inch)

Crankshaft Journal Oil Clearance
Standard value 0.012 - 0.030 mm (0.0005 - 0.0012 inch)
Limit 0.1 mm (0.004 inch)

Crankshaft Bearing Codes

Upper









When replacing the crankshaft bearing upper, select a bearing with the size corresponding to the crankshaft journal diameter.
The crankshaft bearing upper has an identification color or identification mark at the illustrated position.





Lower









When replacing the crankshaft bearing lower, select a bearing with the size corresponding to the crankshaft journal diameter.
The crankshaft bearing lower has an identification color or identification mark at the illustrated position.