why is my Tesla Outback making a whirring noise when I turn the steering wheel?

Subaru Outback 4th Generation (2010-2014)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

636 words

Problem Statement

Learn how to diagnose and fix the whirring noise when turning the steering wheel in Tesla Outback. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical components.
•Allow the engine to cool before performing any repairs on the power steering system.

Symptoms

•Whirring noise when turning the steering wheel
•Difficulty in steering or stiff steering feel
•Steering wheel vibration
•Warning lights on the dashboard (e.g., power steering warning)
•Unusual sounds when driving over bumps

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Scan for any error codes using an OBD-II scanner.
3
Visually inspect the power steering pump for leaks or damage.
4
Check the condition of the steering rack and associated components.
5
Test the steering assist motor functionality.
6
Listen for any unusual noises from the steering assembly while turning the wheel.

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

•OBD-II scanner
•Socket set
•Torque wrench
•Power steering fluid
•Multimeter

Parts Required

•Power steering fluid
•Power steering pump (if necessary)
•Steering rack (if necessary)
•Power steering motor (if necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the power steering fluid level and condition.
2
Scan for any error codes using an OBD-II scanner.
3
Visually inspect the power steering pump for leaks or damage.
4
Check the condition of the steering rack and associated components.
5
Test the steering assist motor functionality.
6
Listen for any unusual noises from the steering assembly while turning the wheel.

Solution

1. Preparation

Tools Required:
- OBD-II scanner
- Socket set
- Torque wrench
- Power steering fluid
Ensure the vehicle is parked on a level surface and the engine is off. Engage the parking brake for safety.

2. Check and Replace Power Steering Fluid

Locate the power steering fluid reservoir.
Remove the cap and check the fluid level. If it’s low, top it off with the manufacturer-recommended fluid.
If the fluid is dirty or contaminated, proceed to replace it:
1. Place a drain pan under the power steering pump.
2. Disconnect the return line and allow the old fluid to drain.
3. Reconnect the return line.
4. Fill the reservoir with new power steering fluid.
5. Start the engine and turn the steering wheel from lock to lock to purge air bubbles. Check fluid level and add more if necessary.

3. Inspect Power Steering Pump

Remove the pump belt if applicable, using a socket set.
Inspect the pump for any signs of leaks or damage.
If defective, replace the power steering pump:
1. Disconnect the power steering lines from the pump.
2. Remove the mounting bolts and take out the pump.
3. Install the new pump, tightening the bolts to the manufacturer's specifications.
4. Reconnect the power steering lines.

4. Check Steering Rack

Inspect the steering rack visually for any leaks or physical damage.
If there’s damage, replace the steering rack:
1. Lift the vehicle and secure it with jack stands.
2. Remove the front wheels for easier access.
3. Disconnect the tie rods from the steering rack.
4. Unbolt the steering rack from its mounting points.
5. Install the new steering rack by reversing the removal steps and torqueing to specifications.

5. Test Steering Assist Motor

If equipped with an electric steering assist, test the motor:
1. Connect a multimeter to the motor terminals.
2. Check for proper voltage and resistance.
3. Replace the motor if it is not functioning correctly.