Kia Optima Hybrid: Tires/Wheels / Wheel Repair procedures

Hub nut tightening sequence
Tighten the hub nuts as follows.

Tightening torque:
88.3 ~ 107.9N.m (9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft)

   
When using an impact gun, final tightening torque should be checked using a torque wrench.
Run out inspection
1.
Jack up the vehicle.
2.
Measure the wheel Run-out by using a dial indicator as illustration below.
Run-out
Aluminum
Steel
Radial mm(in.)
Below 0.3(0.012)
Below 1.4(0.055)
Lateral mm(in.)
Below 0.3(0.012)
Below 0.9(0.035)

3.
If measured value exceeds the standard value, replace the wheel.

Tire Repair procedures

Tire wear 1. Measure the tread depth of the tires. Tread depth [limit] : 1.6 mm (0.063 in.) 2. If the remaining tread depth (A) is less than the limit, replace the tire.     When the tread depth ...

Alignment Repair procedures

Front wheel alignment     When using a commercially available computerized wheel alignment equipment to inspect the front wheel alignment, always position the vehicle on a level surface with ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Knock Sensor (KS) Repair procedures


Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Drain the engine coolant (Refer to “Cooling System” in EM group). 3. Remove the radiator upper hose (Refer to “Cooling System” in EM group). 4. Disconnect the knock sensor connector (A). 5. Remove the ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Description and Operation


Description Tread Lamp – Tire Under Inflation / Leak Warning. 1. Turn on condition • When tire pressure is below allowed threshold • When rapid leak is detected by the sensor. 2. Turn off condition • When tire pressure is above(warning threshold + hysteresis). • When tire pressure is above ...

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