How often should wheel bearings be replaced?

Wheel bearings are an essential component of a vehicle's suspension system, responsible for allowing the wheels to rotate smoothly and efficiently. While the recommended replacement interval for wheel bearings can vary depending on the make, model, and driving conditions, a general guideline is to have them inspected and replaced every 30,000 to 50,000 miles.

Understanding Wheel Bearings

Wheel bearings are the components that allow the wheels to spin freely while supporting the weight of the vehicle. They are typically made of steel and are designed to last for the life of the vehicle, but they can wear down over time due to factors such as mileage, driving conditions, and environmental factors.

Signs of Worn Wheel Bearings

• Noticeable noise, such as a grinding, humming, or whirring sound, coming from the wheel area


• Vibration or wobbling in the steering wheel or the vehicle itself


• Difficulty steering or a feeling of looseness in the steering


• Uneven tire wear or premature tire wear

If any of these signs are present, it's important to have the wheel bearings inspected by a qualified mechanic as soon as possible to prevent further damage to the vehicle.

Recommended Replacement Interval

According to the information gathered from various sources, the recommended replacement interval for wheel bearings is typically every 30,000 to 50,000 miles. This range can vary depending on the specific make and model of the vehicle, as well as the driving conditions and environment.

It's important to note that this is a general guideline, and the actual replacement interval may need to be adjusted based on the vehicle's maintenance history and the mechanic's assessment of the condition of the bearings. Regular inspections and maintenance can help extend the life of the wheel bearings and prevent costly repairs down the line.

Conclusion

Proper maintenance and timely replacement of wheel bearings are essential for the safe and efficient operation of a vehicle. By following the recommended replacement interval and being vigilant for signs of wear, vehicle owners can help ensure their wheels continue to spin smoothly and their vehicle remains in top condition.

Is replacing wheel bearings worth it?

Wheel bearings often wear out due to similar factors such as mileage, driving conditions, and maintenance practices. Thus, replacing both bearings or hubs as a preventative measure could save you from future repairs and potential safety risks.

What is the average life of a wheel bearing?

The average lifespan for wheel bearings is between 85,000 and 100,000 miles, though this can vary significantly based on factors like driving conditions, bearing quality, and maintenance. Some bearings can last longer, while others may fail sooner, especially in harsh environments or due to improper installation or driving habits. 
Factors influencing wheel bearing life

• Driving conditions: Potholes, speed bumps, and driving on unpaved or wet roads can lead to premature wear. 
• Vehicle load: Overweight loads can put excessive stress on the bearings. 
• Tire condition: Unbalanced tires can contribute to faster wear. 
• Installation: Improper installation can shorten the lifespan of a wheel bearing. 
• Vehicle type: Some sources suggest that electric vehicles (EVs) may have a shorter wheel bearing life due to their heavier weight and increased torque. 
• Bearing quality: The quality of the bearing itself is a major factor. 

What to do if a wheel bearing is failing

• Monitor for signs: Pay attention to symptoms like humming or grinding noises that change with speed, clicking, uneven tire wear, or a wobbly steering wheel. 
• Don't wait: A failing wheel bearing can be a safety hazard. If you hear a noise, it could mean the bearing is already severely worn and a catastrophic failure could be imminent, so have it checked promptly. 
• Check your owner's manual: Some owner's manuals may provide guidance on replacement intervals, though many do not. 

What is one of the first signs of bearing failure?

Early indications of bearing failure can include machinery that is running unevenly, or at an exceptionally loud volume, or with reduced accuracy. There are also some visual signs to look for. Here are 5 common signs of bearing failure: Abrasion - Generally caused by excessive wear and friction against mating hardware.

How do I know if my wheel bearing needs replacing?

You can tell if wheel bearings need replacing by listening for noises like grinding, humming, or clicking, or by checking for a loose or wobbly wheel. To confirm, safely lift the vehicle and check for play by wiggling the wheel; if there's any looseness, the bearing likely needs replacement.
 
This video demonstrates how to check for wheel bearing play: 27sWay of the WrenchYouTube · Mar 25, 2021
Signs of a bad wheel bearing

• Unusual noises: Listen for humming, grinding, growling, or clicking sounds that may get louder as you drive or turn. 
• Wheel wobble or vibration: The car may feel loose, and the wheel could noticeably wobble or vibrate while driving, especially during turns. 
• Pulling to one side: The vehicle may pull to one side, which can happen as the bad bearing creates uneven wear and pressure. 
• Uneven tire wear: Check your tires for uneven wear patterns, which can indicate a problem with the wheel bearing. 

How to perform a physical check

1. Safely lift the vehicle: Jack up the car and secure it with a jack stand so the wheel is off the ground. 
2. Check for play: Grip the wheel at the 12 and 6 o'clock positions (top and bottom) and try to shake it. If you feel any side-to-side play or movement, the bearing may be bad. 
3. Spin the wheel: While the wheel is off the ground, spin it by hand. Listen for any rumbling or grinding noises. A bad bearing will often sound like it has pebbles inside it and the noise will increase with speed. 
4. Compare with other wheels: If the car is safe to drive, you can also drive at a low speed and gently steer from side to side. The noise may become louder when you steer in one direction, indicating the bearing is on the opposite side. 

You can watch this video to learn how to check for a bad wheel bearing: 57sFindTheBestCarPriceYouTube · Apr 14, 2023
What to do next

• Don't ignore it: A failing wheel bearing can lead to the wheel separating from the vehicle, which is extremely dangerous. 
• See a professional: If you suspect a bad wheel bearing, have a mechanic inspect it. They can confirm the diagnosis and replace the bearing for you. 
• Check lug nuts: Before assuming it's a bad bearing, make sure the wheel's lug nuts are tight, as a loose lug nut can cause similar symptoms.