Need some help with a front wheel bearing.

On my 2008 Elantra we noticed that the front left wheel was making some noises so I rotated the tires -- sound was still there. Next I did the brakes (needed new pads) and I replaced the rotors while I was at it. Wheel still made what sounded like a bad bearing. I brought the car to the dealer to have the timing belt replaced (I was over 60K miles) while the car was there I asked them to diagnose my suspected bad wheel bearing. They told me I had a bad bearing but that their system was down and they couldn't order one for me. I went to Autozone and bought a wheel hub and a new bearing and was going to try changing it myself but opted not to after researching it a little. I called my nearest Hyundai dealer and they said they would do it for $219.00 including the alignment so off it went to the dealership. The next day we took the car out on the highway and the wheel was making a grinding sound and had a bad shimmy at highway speeds. Back to the dealer it went. They diagnosed it with a bad bearing claiming that the part I bought was bad. I don't buy it, it was brand new. Now they want to charge me for a new bearing plus labor to fix it.

I'm not sure what my recourse with the dealer is here, but I don't think there's much I can do since they used the parts I purchased instead of theirs. I can't afford to pay them to do the job again so the car is parked in my drive-way still broken.

If anyone here has done a front wheel bearing on an Elantra I would appreciate some help. I know I need to press the bearing but have a lot of questions regarding what needs to be removed, torque values. Do I need another new wheel hub?