Main Moving System: Crankshaft: Installation

Install the grooved main bearing (upper bearing) on the cylinder block side.

Fig 1: Installing Main Bearings
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Install the grooveless main bearing (lower bearing) on the main bearing cap side.
Install the crankshaft. Apply engine oil to the journal and pin.
Caps should be installed with the arrow mark directed toward the front of the engine. The cap number sequence must be correct.

Fig 2: Installing Main Bearing Caps
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Tighten all cap bolts to the specified torque and then rotate all bolts to specified angle.
Tightening torque

Main bearing cap bolts :

M8:14-18 Nm (140-180 kg.cm, 10-13 lb.ft) + (90°~94°) M10: 27-33 Nm (270-330 kg.cm, 19.5-23.9 lb.ft)+(90°~94°)
Cap bolts should be tightened evenly in from 4 to 5 stages before they are tightened to the specified torque.
Make certain that the crankshaft turns freely and has the proper end play.
Crankshaft end play

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

Limit : 0.35 mm (0.014 in.)

Fig 3: Checking Crankshaft End Play
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Using the special tool (09231-33000), install the rear oil seal in the oil seal case.

Fig 4: Identifying Crankshaft Rear Oil Seal Installer (09231-33000)
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Apply sealant to the area shown in the illustration. Install the oil seal case on the cylinder block.
Tightening torque

Oil seal case bolt :

10-12 Nm (100-120 kg.cm, 7.3-8.6 lb.ft)

Fig 5: Installing Oil Seal Case
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Tighten the transaxle mounting plate to the specified torque.
Tightening torque

Transaxle mounting plate bolt:

10-12 Nm (100-120 kg.cm, 7.3-8.6 lb.ft)
Tighten the drive plate and the adapter plate.
Tightening torque

Drive plate and adaptor plate bolt :

73-77 Nm (730-770 kg.cm, 53-55 lb.ft)

Fig 6: Installing Drive Plate & Adapter Plate

Courtesy of KIA MOTORS AMERICA, INC.