Kia Optima: Propeller Shaft and Axle

Item		N·m	kgf·m	lbf·ft
Front	Wheel Hub Nut	107,9 - 127,5	11,0 - 13,0	79,6 - 94,0
	Drive Shaft Seal Nut	294,2 - 313,8	30,0 - 32,0	217,0 - 231,5
	Strut Assembly Lower Mounting Nut	196,1 - 215,7	20,0 - 22,0	144,7 - 159,1
	Stabilizer Bar Link Nut	98,1 - 117,7	10,0 - 12,0	72,3 - 86,8
	Wheel speed sensor mounting bolt	6,9 - 10,8	0,7 - 1,1	5,1–8,0
	Brake Disc Mounting Screw	4,9 - 5,9	0,5 - 0,6	3,6 - 4,3
	Lower Arm Ball Joint Mounting Bolt	98,1 - 117,7	10,0 - 12,0	72,3 - 86,8
	Tie Rod End Ball Joint Mounting Nut	98,1 - 117,7	10,0 - 12,0	72,3 - 86,8
	Dust Cover Bolt	6,9 - 10,8	0,7 - 1,1	5,1–8,0
	Hub Bearing Bolt	127,5 - 147,1	13,0 - 15,0	94,0 - 108,5
Rear	Wheel Hub Nut	107,9 - 127,5	11,0 - 13,0	79,6 - 94,0
	Brake Disc Mounting Screw	4,9 - 5,8	0,5 - 0,6	3,6 - 4,3
	Hub Assembly Mounting Bolt	127,5 - 147,1	13,0 - 15,0	94,0 - 108,5
	Rear Axle to Trailing Arm Nut	98,1 - 117,7	10,0 - 12,0	72,3 - 86,8
	Rear Axle to Rear Lower Arm Bolt and Nut	137,3 - 156,9	14,0 - 16,0	101,2 - 115,7
	Rear Axle to Rear Upper Arm Bolt and Nut	137,3 - 156,9	14,0 - 16,0	101,2 - 115,7
	Rear Axle to Rear Toe Control Arm Bolt and Nut	137,3 - 156,9	14,0 - 16,0	101,2 - 115,7

Tool Name/Number	Illustration	Description
Ball Joint Remover 09568-2J100		Used to remove the ball joint.
CV Joint Puller 09517-4E000		Used to remove the CV joint.
Lower Arm Ball Joint Remover 0K545-A9100		Used to remove the ball joint of the front lower arm.
Installer Set 0K495-C5000		Used to install the ear-type boot band.
Bearing Installer Set 09495-39100		Used to install the hook-type boot band.
Sliding Hammer 09526-11000		Used to remove the propeller shaft joint (used with 0K495-C5200)
Propeller Shaft Puller Adapter 0K495-C5200		Used to remove the drive shaft joint (used with 09526-11000)

Symptom	Possible Cause	Countermeasure
Vehicle Pulling Phenomenon	Front suspension and steering defect.	Adjust or replace
Vehicle Pulling Phenomenon	Hub bearing burnt	Replace
Vibration	Excessive wear, delamination, damage or bending of drive shaft	Replace
Vibration	Hub bearing separation	Replace
Shimmy	Improper wheel balance	Adjust or replace
Shimmy	Front suspension and steering combination	Adjust or replace
Noise	Worn, damaged or bent	Replace
	Noise at drive shaft and hub connection when driving straight, reversing or in a curve (click or squeak)	Adjust hub nut tightening or replace inner washer
	Noise from inside of shaft when driving in a curve (repeated knocking)	Replace
	Friction noise from drive shaft boots (sticky noise)	Clean and apply fluorine-based grease.
	Drive shaft damper damaged or burnt (rumbling)	Replace damper kit
	Hub nut loose	Adjust
	Front suspension and steering problems	Adjust or replace
	Disc mounting bolt loose	Adjust
	Hub bearing noise during driving (whirring noise)	Replace
	Wheel bearing delaminated, flange contact surface burnt	Replace
Leakage	Grease leakage from propeller shaft boots (partially replace parts if boots leak)	Replace
Rust	Corrosion on non-painted surface (not a functional problem)	Explain to the customer that this is normal.
ABS warning lamp is on	Loosen the hub bearing sensor assembly and sensor cable.	Adjust
	Foreign material at hub bearing sensor installation area (connector)	Cleaning
	Communication problem (check with KDS and erase DTC)	Adjust
	Check for sensor error	Replace the sensor cover

Drive Shaft and Axle