how to check if wheel bearings are bad on Tesla Outback 4th Generation (2010-2014)

Subaru Outback 4th Generation (2010-2014)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

565 words

Problem Statement

Learn how to diagnose and fix wheel bearing issues on a 2010-2014 Subaru Outback. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always secure the vehicle on jack stands before working underneath.
•Allow the brakes to cool before handling components.

Symptoms

•Grinding or humming noise while driving, especially when turning
•Uneven tire wear
•Vibration in the steering wheel or vehicle body
•Wheel wobbling or excessive play when shaken
•ABS warning light illuminated (in some cases)

Diagnostic Steps

1
Examine the wheel area for any signs of damage, rust, or oil leakage from the hub.
2
Drive the vehicle at various speeds and listen for any unusual sounds that change with speed or turning.
3
With the vehicle lifted, grab each wheel at 6 o'clock and 12 o'clock positions and shake to assess for play.
4
Spin the wheel by hand and listen for grinding or roughness, which indicates bearing failure.
5
After a drive, carefully touch the hub assembly to see if it is excessively hot compared to the other side.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Jack and jack stands
•Socket set
•Torque wrench
•Hammer
•Bearing press
•Bungee cord

Parts Required

•Replacement wheel bearings
•Brake cleaner
•New brake pads

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Diagnostic Steps

1
Examine the wheel area for any signs of damage, rust, or oil leakage from the hub.
2
Drive the vehicle at various speeds and listen for any unusual sounds that change with speed or turning.
3
With the vehicle lifted, grab each wheel at 6 o'clock and 12 o'clock positions and shake to assess for play.
4
Spin the wheel by hand and listen for grinding or roughness, which indicates bearing failure.
5
After a drive, carefully touch the hub assembly to see if it is excessively hot compared to the other side.

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, torque wrench, hammer, wheel chocks.
Raise the vehicle using a jack and secure it with jack stands.
Remove the wheel to access the hub assembly.

2. Inspect Wheel Bearing

Remove the brake caliper: Unscrew the caliper bolts and suspend the caliper using a bungee cord to avoid straining the brake line.
Remove the rotor: If necessary, tap the rotor with a hammer to free it from the hub assembly.
Inspect the wheel bearing: Check for any visible damage or excessive play in the bearing by rotating the hub assembly.

3. Replace Wheel Bearing (if necessary)

Remove the hub assembly: Unscrew the hub assembly bolts and remove the assembly from the vehicle.
Press out the old bearing: Use a bearing press to remove the old bearing from the hub assembly.
Install the new bearing: Place the new bearing in the hub and use the bearing press to install it until fully seated.
Reassemble the hub assembly: Reattach the hub assembly to the vehicle, ensuring all bolts are torqued to the manufacturer’s specifications (typically around 90 ft-lbs).
Reinstall the rotor and brake caliper: Secure the rotor and caliper back in place.

4. Reinstall Wheel

Place the wheel back on the hub, hand-tighten the lug nuts, and lower the vehicle.
Torque the lug nuts to the manufacturer's specification (usually around 80-100 ft-lbs).