Crank Shaft: Reassembly

Install a grooved main bearing (upper bearing) on the cylinder block side.
Install a grooveless main bearing (lower bearing) on the main bearing cap side.
Install the crankshaft. Apply engine oil to journal and pin.
Install the bearing caps with the arrow mark directed toward the front of the engine. Cap number must be correct.
Tighten the main bearing cap bolts to the specified torque.
Tightening torque

Main bearing cap bolts :

68.6-78.5 Nm (7.0-8.0 kg.m, 50.6-57.9 lb.ft)

Fig 1: Positioning Main Cap Bearings
Courtesy of KIA MOTORS AMERICA, INC.
Cap bolts should be tightened evenly in stages 4 to 5 increments before they are tightened to the specified torque.
Make certain that crankshaft turns freely and check the end play of the crankshaft.
Crankshaft end play

Standard : 0.070-0.250mm (0.0028-0.0098 in.)

Limit : 0.35 mm (0.014 in.)

Fig 2: Measuring Crankshaft End Play
Courtesy of KIA MOTORS AMERICA, INC.
Using special tool (09231-33000), install the rear oil seal in oil seal case.
Apply sealant to the area shown in the illustration. Install the oil seal case in the cylinder block.
Tightening torque

Oil seal case bolt :

9.8-11.8 Nm (1.0-1.2 kg.cm, 7.2-8.7 lb.ft)

Fig 3: Installing Oil Seal
Courtesy of KIA MOTORS AMERICA, INC.

Fig 4: Sealing Oil Seal Case
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Tighten the rear plate to the specified torque.
Tightening torque

Rear plate : 9.8-11.8 Nm (1.0-1.2 kg.m, 7.2-8.7 lb.ft)
Tighten the drive plate and the adapter plate (A/T).
Tightening torque

Drive plate and adapter plate bolt :

71.6-75.5 Nm (7.3-7.7 kg.m, 52.8-55.7 lb.ft)

Fig 5: Tightening Drive Plate

Courtesy of KIA MOTORS AMERICA, INC.