Shocking Results: How to Replace Wheel Bearing Hub Assembly Rear

Replacing a rear wheel bearing hub assembly can seem daunting, but with the right tools and knowledge, it’s a DIY project within reach. This guide will walk you through the process step-by-step, providing detailed instructions and tips for a successful repair.

Understanding the Importance of Wheel Bearing Hub Assemblies

Wheel bearing hub assemblies are crucial components in your vehicle’s suspension system. They support the weight of the vehicle and allow the wheels to rotate smoothly. When a wheel bearing fails, it can cause a variety of symptoms, including:

• Noise: A grinding, roaring, or humming sound that increases with speed.
• Vibration: A shaking or vibrating sensation in the steering wheel or the vehicle itself.
• Uneven tire wear: Premature wear on one or more tires.
• Loose steering: A feeling of play or looseness in the steering wheel.

If you notice any of these symptoms, it’s essential to address the issue promptly. A faulty wheel bearing can lead to further damage to other components of your vehicle, including the axle and suspension.

Gathering the Necessary Tools and Supplies

Before you begin the replacement process, ensure you have the following tools and supplies on hand:

• Jack and jack stands: To lift the vehicle safely.
• Lug wrench: To remove the lug nuts.
• Torque wrench: To tighten the lug nuts to the correct specifications.
• Breaker bar: For stubborn lug nuts.
• Hammer: For removing the old bearing hub.
• Pry bar: To help separate components.
• Socket set: For removing and installing bolts.
• Penetrating fluid: To loosen rusted bolts.
• Grease: For lubricating the new bearing hub.
• New wheel bearing hub assembly: Ensure you purchase the correct part for your vehicle.

Safety First: Preparing for the Job

Safety should always be your top priority when working on your vehicle. Before you begin, follow these steps:

• Park on a level surface: Ensure the vehicle is stable and won’t roll during the repair.
• Engage the parking brake: This will prevent the vehicle from rolling.
• Chock the front wheels: Place wheel chocks behind the front wheels to prevent the vehicle from moving.
• Wear safety glasses and gloves: Protect your eyes and hands from potential hazards.

Step-by-Step Guide: Replacing the Rear Wheel Bearing Hub Assembly

Now that you’re prepared, let’s dive into the step-by-step process:

1. Remove the wheel:

• Loosen the lug nuts slightly while the vehicle is still on the ground.
• Use the jack to raise the vehicle until the tire is off the ground.
• Remove the lug nuts completely and take off the wheel.

2. Remove the brake caliper:

• Use a socket wrench to remove the bolts holding the brake caliper to the bracket.
• Carefully hang the caliper out of the way using a wire or bungee cord. Make sure it doesn’t hang by the brake hose.

3. Remove the rotor:

• Remove the bolts holding the rotor to the hub. If the rotor is stuck, you may need to use a hammer and a block of wood to tap it off.

4. Remove the old hub assembly:

• Remove the nuts holding the hub assembly to the axle.
• Use a hammer and a punch to drive out the old bearing hub from the axle.
• If the hub is stubborn, you may need to use a puller to remove it.

5. Install the new hub assembly:

• Apply grease to the new hub assembly’s bearings.
• Insert the new hub assembly onto the axle.
• Secure the hub assembly to the axle with the new nuts.

6. Reinstall the rotor:

• Reinstall the rotor and tighten the bolts to the correct specifications.

7. Reinstall the brake caliper:

• Reinstall the brake caliper and tighten the bolts to the correct specifications.
• Ensure the brake pads are properly seated against the rotor.

8. Reinstall the wheel:

• Place the wheel back on the hub and tighten the lug nuts by hand.
• Lower the vehicle to the ground.
• Use the torque wrench to tighten the lug nuts to the manufacturer’s specifications.

9. Test drive:

• Take the vehicle for a test drive to ensure the new bearing hub is functioning correctly.
• Listen for any noise or vibration.
• Check for any leaks or other issues.

Tips for a Successful Repair

• Use a torque wrench: Always tighten bolts and nuts to the correct specifications to avoid overtightening or loosening.
• Clean the area: Before installing the new hub assembly, clean the axle and the mounting area to remove dirt and debris.
• Replace the brake pads (optional): If the brake pads are worn, consider replacing them at the same time as the hub assembly.
• Use a bearing race tool (optional): If you’re having trouble removing the old bearing race, consider using a bearing race tool.

Final Thoughts: A Job Well Done

Replacing a rear wheel bearing hub assembly is a challenging but rewarding repair. By following this comprehensive guide and taking your time, you can confidently tackle this project yourself and save money on costly repairs.

Basics You Wanted To Know

Q: How often should I replace my wheel bearing hub assemblies?

A: Wheel bearing hub assemblies typically last between 50,000 and 100,000 miles. However, their lifespan can be affected by factors such as driving conditions, maintenance habits, and vehicle usage. If you notice any signs of wear or failure, it’s best to replace the bearing assembly promptly.

Q: What are the signs of a bad wheel bearing hub assembly?

A: Common signs include:

• Noise: Grinding, roaring, or humming sounds that increase with speed.
• Vibration: Shaking or vibrating sensation in the steering wheel or the vehicle itself.
• Uneven tire wear: Premature wear on one or more tires.
• Loose steering: A feeling of play or looseness in the steering wheel.

Q: Can I replace just the bearing itself instead of the entire hub assembly?

A: While it’s technically possible to replace just the bearing, it’s generally not recommended. The bearing and hub assembly are designed to work together, and replacing one without the other can lead to premature wear or failure of the remaining component.

Q: How much does a rear wheel bearing hub assembly replacement cost?

A: The cost of replacing a rear wheel bearing hub assembly varies depending on the vehicle make and model, as well as the labor costs in your area. However, you can expect to pay anywhere from $200 to $500 for the parts and labor.

Q: Is it safe to drive with a bad wheel bearing hub assembly?

A: It’s not safe to drive with a bad wheel bearing hub assembly. A failing bearing can cause a loss of control, leading to a serious accident. If you notice any signs of a bad bearing, it’s important to have it repaired immediately.