- Symptoms, Causes & Replacements.

Worn Wheel Bearing - Symptoms, Causes & Replacements

Worn wheel bearings can be a real pain, both figuratively and literally. A vehicle's wheel bearings are components that allow the wheels to rotate with minimal friction, but over time they can wear out and cause various symptoms.

Symptoms of Worn Wheel Bearings

Some of the common signs that your car has a worn wheel bearing include:

1. Grinding noise: A worn bearing will produce a loud grinding noise, especially at higher speeds

2. Vibrations: The vibrations can be felt in the steering wheel, floorboard, or seats of the car, especially when you turn or accelerate

3. Uneven tire wear: Worn wheel bearings can cause uneven tire wear or damage to the tires

4. Steering wander: A worn bearing can cause the steering wheel to wander or loosen

5. ABS warning light: A malfunctioning wheel bearing can cause the ABS warning light to illuminate on the dashboard

Causes of Worn Wheel Bearings

Various factors can accelerate the wear of wheel bearings, including:

1. Lack of lubrication: Wheel bearings rely on lubrication to minimize friction and heat buildup. Over time, the lubricating grease can break down and dry up, leading to increased friction and wear.

2. Excessive heat: Braking, driving on rough or uneven roads, and towing heavy loads can produce excessive heat that can damage the wheel bearings.

3. Water damage: Exposure to water and other fluids over time can wash out the lubricating grease and introduce rust that can damage the bearings.

4. Overloading: Carrying heavier loads than the vehicle's weight limit can put excessive pressure on the wheel bearings, leading to wear and tear.

Replacement of Worn Wheel Bearings

If you suspect that your car has a worn wheel bearing, it's essential to get it checked by a mechanic. Replacing a worn wheel bearing is not a simple job, and it's critical to do it right to ensure your safety on the road.

Here are some steps involved in replacing a worn wheel bearing:

1. Wheel removal: The mechanic removes the wheel and tire assembly and inspects the brake assembly for any problems.

2. Hub and bearing inspection: The mechanic will inspect the hub and bearing for any damage, rust, or wear.

3. Pressing out the old bearing: The old bearing is removed from the hub using a press.

4. Installation of the new bearing: The new bearing is pressed into the hub and is greased before installation.

5. Reassembly: The brake assembly, wheel, and tire are all reinstalled.

In conclusion, the wheel bearings are an essential part of any vehicle's suspension system. Worn bearings can cause various symptoms like grinding noise, vibrations, uneven tire wear, steering wander, and ABS warning light. If you suspect that your car has a worn wheel bearing, it's critical to get it checked by a professional mechanic. With proper diagnosis and replacement, you can prevent further damage and ensure your safety on the road.