To remove the pulley and inspect the wheel bearing , china Tensioner Pulley Bearings suppliers suggest the main steps:

Park the car on a level surface and engage the parking brake.

Allow the engine and wheels to cool for at least 30 minutes.

Release the air from the tire through the valve stem.

Loosen the lug nuts on the wheel, but do not remove yet.

Raise the wheel off the ground using a jack or lift.

Support the axle with jack stands for safety. Remove the lug nuts and set the wheel aside.

Remove the axle nut or hub retainer bolt in the center of the wheel hub.

This will allow the pulley and hub assembly to come off. You may need to use a breaker bar to loosen the axle nut.

Pull the pulley straight off the wheel hub.

The wheel bearing is pressed inside the hub, behind where the pulley attaches.

Inspect the bearing for any signs of wear or damage like pitting, rust, play or looseness.

The bearing should spin smoothly when turned by hand. If the bearing feels rough, loose or seems seized, it needs replacement.

Check the wheel hub, pulley and axle for any damage.

Reinstall the pulley and axle nut, and hand-tighten for now.

Reinstall the wheel, hand-tightening the lug nuts.

Lower the wheel to the ground and torque the lug nuts and axle nut to the proper specifications.

Once everything is assembled, go for a test drive to ensure the new or existing bearing is operating properly before normal use.

Listen for any new noises and feel for vibration, especially from the recently serviced wheel end.

See a certified mechanic as soon as possible if you notice any issues or do not feel comfortable doing this yourself.

Wheel bearings are critical components and improper installation or replacement can be dangerous.

That’s the basic process for removing the pulley to inspect and possibly replace the wheel bearing . Be sure to check your vehicle’s service manual for any specifics or precautions regarding your model.