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Toyota 4Runner Wheel Hubs and Bearings

If you have invested in a Toyota 4Runner, you know how important it is to maintain your vehicle. To function optimally, your Toyota 4Runner must have quality wheels and bearings. Without these parts, your 4Runner may end up with other damaged parts, including the tires and brakes.

What size wheels does a Toyota 4Runner need?

In general, your 4Runner will require 17-inch to 20-inch diameter tires with a width of 7 to 7 1/2 inches. You can check your Toyota owners manual to be certain. You will need to make sure you get the correct wheel size for proper function and appearance.

What is a wheel hub assembly?

Also known as a wheel assembly or bearing assembly, these parts can be found between your braking drums or discs and the drive axle of your Toyota 4Runner. The assembly consists of the hub and the bearing. The bearing assembly is attached to the holding bracket from the chassis, and the wheel is attached to the bolts of the assembly.

How do you know if your bearing assembly is failing?

It is important to watch for any unusual symptoms with your Toyota 4Runner that could indicate damage or failure in the wheel assembly. These symptoms include:

  • Roaring sounds: If you can hear a roaring sound coming from the tire or wheel area, this usually means that the wheel bearing inside the single assembly is failing. This sound is due to the metal-on-metal grinding that occurs when the bearing is nearing the end of its life.
  • Loose or vibrating steering wheel: If your steering column feels loose or vibrates when you are driving at lower speeds and vibrates more the faster you drive, you may need a new bearing assembly.
  • Wheel clicking: If your bearing assembly needs replacing, you may also notice clicking noises that seem to increase in speed the faster your Toyota 4Runner travels. This noise is usually due to the brake caliper that moves up and down and hits the top of the wheels. This sound indicates that the bearing assembly is broken.
How do you find the bearing assembly part number?

To find your bearing assembly part number, look it up according to the year, make, and model of your vehicle. You can also look on the part itself as the number can usually be found on a sticker on the bearing assembly. If nothing else, you can contact a Toyota dealership and provide staff with your VIN number. They should be able to find your part number.