Essential Tips on How to Replace Front Wheel Bearing Subaru Outback Revealed!

The Subaru Outback is known for its rugged reliability and off-road capabilities. However, like any vehicle, it’s susceptible to wear and tear, and one common issue that can arise is a worn-out front wheel bearing. If you’re experiencing noises like grinding, humming, or a rumbling sound coming from your front wheels, especially when turning or driving over bumps, it’s a strong indicator that your front wheel bearing needs replacement.

This comprehensive guide will walk you through the process of replacing the front wheel bearing on your Subaru Outback, providing step-by-step instructions, essential tools, and safety tips to ensure a successful repair.

Understanding Front Wheel Bearings

Front wheel bearings are crucial components that support the weight of your vehicle and allow the wheels to rotate smoothly. They consist of a set of steel balls or rollers that are housed within a raceway. As the wheel spins, the balls or rollers transfer the load and reduce friction. Over time, these bearings can wear down due to factors like age, mileage, and road conditions.

Identifying the Symptoms of a Worn Front Wheel Bearing

Before diving into the replacement process, it’s essential to confirm that you’re indeed dealing with a faulty front wheel bearing. Here are some common symptoms:

• Grinding or humming noise: This is one of the most noticeable signs. The noise often increases with speed and may vary depending on the severity of the wear.
• Rumbling sound: This sound is usually more pronounced when driving over bumps or uneven surfaces.
• Wheel wobble or play: If you can feel a noticeable wobble or movement in the wheel when you shake it, it could indicate a loose or worn bearing.
• Vibrations: A worn bearing can cause vibrations that are felt in the steering wheel or the entire vehicle.

Gathering the Necessary Tools and Parts

To replace the front wheel bearing on your Subaru Outback, you’ll need the following tools and parts:

Tools:

• Jack and jack stands
• Lug wrench
• Torque wrench
• Socket set
• Hammer
• Pry bar
• Wheel bearing race tool (optional)
• Grease gun
• Penetrating fluid (PB Blaster or similar)

Parts:

• New front wheel bearing assembly (ensure it’s the correct size and type for your Outback model)
• Wheel bearing race (if not included with the bearing assembly)
• Wheel bearing grease

Safety Precautions

Before starting the repair, it’s crucial to prioritize safety:

• Park on a level surface: Ensure your vehicle is parked on a flat, solid surface.
• Engage the parking brake: Set the parking brake firmly to prevent the vehicle from rolling.
• Use jack stands: Never rely solely on the jack to support the vehicle. Use jack stands to secure it safely.
• Wear safety glasses: Protect your eyes from flying debris.
• Use gloves: Protect your hands from grease and dirt.

Step-by-Step Guide to Replacing Front Wheel Bearing

Now, let’s walk through the step-by-step process of replacing the front wheel bearing on your Subaru Outback:

1. Loosen the lug nuts: Before jacking up the vehicle, loosen the lug nuts on the affected wheel using your lug wrench. This will make it easier to remove the wheel once the vehicle is lifted.

2. Jack up the vehicle: Using your jack, lift the vehicle until the affected wheel is off the ground. Place jack stands under the vehicle’s frame near the jacking point to secure it.

3. Remove the wheel: With the vehicle securely supported, remove the lug nuts completely and take off the wheel.

4. Remove the brake caliper: Using a socket wrench, remove the bolts holding the brake caliper to the brake rotor. Carefully hang the caliper out of the way using a wire hanger or a dedicated caliper holder.

5. Remove the brake rotor: Depending on your Outback model, you may need to remove the brake rotor to access the wheel bearing. Use a hammer and a pry bar to gently tap the rotor off the hub.

6. Remove the old wheel bearing: Use a socket wrench to remove the nut holding the wheel bearing in place. Once the nut is removed, you can use a hammer and a pry bar to gently tap the bearing out of the hub.

7. Inspect the hub: Before installing the new bearing, carefully inspect the hub for any damage or wear. If the hub is damaged, it will need to be replaced as well.

8. Install the new wheel bearing: Place the new wheel bearing into the hub. Ensure that it is properly seated and that the race is correctly installed.

9. Install the new wheel bearing nut: Using a torque wrench, tighten the new wheel bearing nut to the manufacturer’s specifications.

10. Install the brake rotor: If you removed the brake rotor, reinstall it onto the hub. Ensure that it is properly seated and tighten the bolts.

11. Install the brake caliper: Reinstall the brake caliper to the brake rotor, making sure the bolts are tightened securely.

12. Install the wheel: Reinstall the wheel and tighten the lug nuts to the manufacturer’s specifications.

13. Lower the vehicle: Lower the vehicle to the ground, remove the jack stands, and then tighten the lug nuts again.

14. Test drive: After completing the repair, take your Subaru Outback for a test drive to ensure that the new wheel bearing is working properly. Listen for any noises and check for any vibrations.

Tips for a Successful Repair

• Use a torque wrench: Tightening the wheel bearing nut to the correct torque is crucial for proper operation and longevity.
• Clean the hub: Before installing the new bearing, thoroughly clean the hub to remove any debris or rust.
• Lubricate the bearing: Apply a generous amount of wheel bearing grease to the new bearing before installing it.

The Importance of Maintaining Your Wheel Bearings

While replacing a worn-out front wheel bearing can seem like a daunting task, it’s an essential maintenance procedure that ensures your Subaru Outback’s safety and performance. Neglecting this repair can lead to more serious issues, such as a wheel locking up or a complete bearing failure, which can be dangerous and costly.

Time to Shine: Your Outback’s New Lease on Life

By following these steps and taking the necessary precautions, you can successfully replace the front wheel bearing on your Subaru Outback and restore its smooth ride and quiet operation. Remember, regular maintenance is key to extending the life of your vehicle and ensuring a safe and enjoyable driving experience.

Top Questions Asked

Q: How often should I replace my front wheel bearings?

A: The lifespan of a front wheel bearing can vary depending on factors like driving conditions, maintenance habits, and vehicle model. However, it’s generally recommended to inspect them every 50,000 miles or as part of your regular maintenance routine.

Q: Can I replace the bearing without removing the brake rotor?

A: Some Subaru Outback models allow for bearing replacement without removing the brake rotor. However, in many cases, removing the rotor is necessary for easier access. Consult your owner’s manual or a repair guide specific to your Outback model.

Q: Can I use a generic wheel bearing instead of a Subaru-specific one?

A: While generic bearings might seem cheaper, it’s recommended to use a Subaru-specific bearing for optimal fit and performance. These bearings are designed to meet the specific requirements of your Outback model.

Q: What if I hear a grinding noise after replacing the bearing?

A: If you hear a grinding noise after replacing the bearing, it could indicate that the new bearing is faulty or that the hub is damaged. It’s crucial to re-inspect the installation and the hub to identify the cause.

Q: Is it safe to drive with a worn front wheel bearing?

A: Driving with a worn front wheel bearing is not safe. It can lead to wheel lock-up, loss of control, and even accidents. If you suspect a problem with your wheel bearings, get it checked by a mechanic as soon as possible.