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Wheel bearings on a 1994 to 1997 Lexus GS300 are pressed into the Hub. The install a wheel take the hub to a machinist so they can safely press the wheel bearing into place. This reinstall the hub onto the vehicle.
Power Steering?
I experienced a knocking noise in my 03 Xterra and found out is was a bad wheel bearing seal and had to have the Nissan dealership replace it for about $400 (includes labor and parts).
The knocking noise could be one of several things. The wheel bearing, a worn steering or suspension part, or road debris could be causing the noise.
wierd
needs new wheel bearings
u joint
Engine not running, or belt fell off.
A knocking noise in the front wheels can be a very serious problem. The knocking noise could be caused by bad ball joints. Bad ball joints can slip off the tie rods and cause the wheel assembly to collapse. This problem should be looked at as soon as possible.
many many things, Loose lug nuts which lets wheel make knocking noise. Engine will make a knocking noise if it is really low on oil. Some timing belts make a knocking, slapping noise just before they break.These are just a few examples . Have someone ride in car with you as you duplcate the noise and see if they can determine which part of the vehicle it is coming from.
A forgotten tool maybe ? Or a stone .
Wheel bearing maybe?