Wheel Bearing Options

[Boss-Celica]

Whenever I drive past 40-45mhp I hear this humming sound from either my rear or front driver side wheel. I am pretty sure its the wheel bearing. I was wondering if our cars need to have the bearing pressed on with a special machine, because my friend said some cars do and some don't. Does anyone know if the bearing needs to pressed on?

[6GGT]

Whenever I drive past 40-45mhp I hear this humming sound from either my rear or front driver side wheel. I am pretty sure its the wheel bearing. I was wondering if our cars need to have the bearing pressed on with a special machine, because my friend said some cars do and some don't. Does anyone know if the bearing needs to pressed on?
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Same thing happened with me...ts not pressed on, its screwed on..i fixed mine in my autos shop...my autos teacher had a special socket tool that fit right over the bearing..then with the air gun we tightened and turned it liek a full 360 degrees using pure torque... but my problem was like at about 75mph my front end began to chake a little..then after 85 it was fine...after i tightened the wheele bearing it was perfect