I could be wrong, but I believe this vehicle uses a pressed in sealed bearing. If so, you remove the spindle from the vehicle, then use an arbor press to separate the hub, bearing and spindle, then to press them back together again.
Assuming that you haven't got such a press handy, just remove the spindle complete with bearing and hub and drop it off along with the new bearing at your local machine shop.
how do i change front wheel bearing of kia sorento 2003
How do you change a 1998 jimmy 4X4 front wheel bearing ?
To replace the front wheel bearing on a Ford Fiesta, you will need to remove the wheel. Then with a hammer you can pull the old bearing out.
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Remove the tire and wheel from your Chevy Lumina. Remove the end of the axle. Remove the wheel bearing nut. Remove the wheel bearing seal and the wheel bearing. Reverse the process to install the new front wheel bearing.
Front
to change a front wheel bearing remove macpherson strut and press out bearings with a press, replace with press.
The 2003 Kia Optima has front wheel drive.