Crankshaft Main Bearing

The main bearing cap bolts must be tightened in the proper sequence. First the inner main cap bolts, secondly the windage tray bolts, lastly the main cap tie (horizontal) bolts.

Install each main bearing cap and tighten inner bolts finger tight.

Crankshaft Main Bearing Cap
- Tighten Inner Main Cap Bolts 20 Nm +1/4 Turn (15 ft. lbs. +1/4 Turn)
- Tighten Outer Main Cap Bolts 27 Nm +1/4 Turn (20 ft. lbs. +1/4 Turn)

CRANKSHAFT MAIN BEARING JOURNALS
Diameter 63.987 - 64.013 mm (2.519 - 2.520 inch)
Main Bearing Diametrical Clearance 0.036 - 0.065 (0.0014 - 0.0026 inch)
MAX Allowable 0.080 mm (0.0031 inch)
Out-of-Round (MAX) 0.015 mm (0.0006 inch)
Taper (MAX) 0.015 mm (0.0006 inch)
End Play 0.10 - 0.30 mm (0.004 - 0.012 inch)
End Play (MAX) 0.43 mm (0.017 inch)
CRANKSHAFT MAIN BEARING JOURNALS
Diameter 63.987 - 64.013 mm (2.519 - 2.520 inch)
Main Bearing Diametrical Clearance 0.036 - 0.065 (0.0014 - 0.0026 inch)
MAX Allowable 0.080 mm (0.0031 inch)
Out-of-Round (MAX) 0.015 mm (0.0006 inch)
Taper (MAX) 0.015 mm (0.0006 inch)
End Play 0.10 - 0.30 mm (0.004 - 0.012 inch)
End Play (MAX) 0.43 mm (0.017 inch)