Crankshaft, Engine

Crankshaft

Run-out at center journal. Replace crankshaft if it is not within specification.
Run-out: 0.0016 inch (0.04 mm)




MAIN JOURNAL DIAMETER UNDERSIZES




CRANK PIN JOURNAL DIAMETER UNDERSIZES

MAIN BEARING SELECTION











1. Standard main bearing selection





2. Main bearing housing bore size





3. Main journal shaft diameter





4. Main bearing thickness

Main Bearing Cap Bolts





Tighten main bearing cap bolts.
Tightening torque: 40 - 43 ft. lbs. (54 - 59 Nm, 5.5 - 6.0 kg-m)

Main Bearing Oil Clearance

If oil clearance exceeds specification, grind and polish crankshaft and use undersized main bearings.
Oil Clearance: 0.0007 - 0.0014 inch (0.018 - 0.036 mm)
MAXIMUM: 0.0031 inch (0.08 mm)

Crankshaft End Play

Move the crankshaft toward the rear of block with prying tool and check the amount of movement on dial indicator.
End Play: 0.0032 - 0.0111 inch (0.080 - 0.282 mm)