At a Glance
- A failing wheel bearing can lead to a loose or wobbly wheel, which can be dangerous to drive on.
- In some cases, a failing wheel bearing can trigger the ABS (Anti-lock Braking System) light to illuminate on your dashboard.
- If the wheel bearing is in good condition, lubricate it with a high-temperature bearing grease and reinstall it.
Wheel bearings play a crucial role in the smooth and safe operation of your vehicle. However, like any component, they can deteriorate over time, leading to various issues. Knowing how to tell your wheel bearing is going can help you identify potential problems early on and avoid costly repairs. This comprehensive guide will provide you with a step-by-step approach to diagnosing a failing wheel bearing.
Symptoms of a Failing Wheel Bearing
1. Unusual Noises: One of the most common signs of a failing wheel bearing is unusual noises. As the bearing wears out, it can produce a grinding, humming, or growling sound that intensifies with speed.
2. Vibration: Another telltale symptom is vibration. A compromised wheel bearing can cause vibrations that are felt through the steering wheel, floorboard, or seats.
3. Loose or Wobbly Wheel: Inspect your wheels for any excessive play or wobble. A failing wheel bearing can lead to a loose or wobbly wheel, which can be dangerous to drive on.
4. Uneven Tire Wear: If your wheel bearing is not functioning properly, it can cause uneven tire wear on the affected wheel. Check for irregular tread wear patterns, such as bald spots or cupping.
5. Increased Fuel Consumption: A failing wheel bearing can increase rolling resistance, which can lead to decreased fuel efficiency.
6. Reduced Steering Response: A compromised wheel bearing can affect the steering response, making it less precise or responsive.
7. ABS Light Activation: In some cases, a failing wheel bearing can trigger the ABS (Anti-lock Braking System) light to illuminate on your dashboard.
Step-by-Step Diagnosis
1. Visual Inspection: Begin by visually inspecting the wheel bearing for any signs of damage, such as cracks, rust, or excessive play.
2. Jack Up the Vehicle: Safely jack up the vehicle and support it with jack stands.
3. Spin the Wheel: Spin the affected wheel by hand. Listen for any grinding or unusual noises. Check for any resistance or binding while spinning.
4. Inspect the Wheel Bearing: Remove the wheel and inspect the wheel bearing for any signs of wear or damage. Look for any discoloration, pitting, or flaking.
5. Check for Axial Play: Place your hands on the top and bottom of the wheel and move it up and down. Excessive axial play (movement in and out) indicates a compromised wheel bearing.
6. Check for Radial Play: Grasp the wheel at the 9 and 3 o’clock positions and move it side to side. Excessive radial play (movement left and right) is another sign of a failing wheel bearing.
7. Lubricate and Reinstall: If the wheel bearing is in good condition, lubricate it with a high-temperature bearing grease and reinstall it. Tighten the wheel bearing to the manufacturer’s specifications.
In a nutshell
By following these steps, you can effectively diagnose a failing wheel bearing. Early detection and replacement can prevent further damage to your vehicle’s suspension, tires, and other components. Remember, regular maintenance and inspections are crucial to ensure the longevity and safety of your vehicle.
Information You Need to Know
Q: How often should I check my wheel bearings?
A: It is recommended to inspect your wheel bearings every 5,000 to 10,000 miles or as per the manufacturer’s maintenance schedule.
Q: Can I drive with a failing wheel bearing?
A: Driving with a failing wheel bearing is not recommended. It can lead to further damage and even a catastrophic failure while driving.
Q: How much does it cost to replace a wheel bearing?
A: The cost of replacing a wheel bearing varies depending on the make, model, and year of your vehicle. However, it typically ranges from $200 to $600 per wheel.
