why does my Tesla Model S Original (2012-2020) have a whining sound when turning

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

466 words

Problem Statement

Learn how to diagnose and fix the whining sound when turning in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12V battery before servicing electrical components.
•Ensure the vehicle is securely lifted before working underneath.

Symptoms

•Whining noise that increases in pitch while turning
•Noise present during both left and right turns
•Possible vibration in the steering wheel
•No noticeable loss of power steering assist
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for any leaks in the power steering system.
3
Test the power steering pump for proper operation.
4
Listen for noise from the front differential or any drivetrain components while turning.
5
Examine the wheel bearings for wear or damage.
6
Inspect suspension components for any signs of wear or looseness.

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

•Socket set
•Torque wrench
•Pliers
•Power steering fluid
•Jack and jack stands
•Wheel bearing press

Parts Required

•Power steering pump (if necessary)
•Wheel bearings (if necessary)
•Power steering fluid

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Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Check for any leaks in the power steering system.
3
Test the power steering pump for proper operation.
4
Listen for noise from the front differential or any drivetrain components while turning.
5
Examine the wheel bearings for wear or damage.
6
Inspect suspension components for any signs of wear or looseness.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Disconnect the 12V battery to avoid electrical hazards.

2. Check and Refill Power Steering Fluid

Sub-steps:
1. Locate the power steering fluid reservoir.
2. Remove the cap and check the fluid level.
3. If fluid is low, top off with the recommended power steering fluid (refer to the owner’s manual).
4. Re-secure the cap after filling.

3. Inspect and Replace Power Steering Pump

Sub-steps:
1. Remove any components obstructing access to the power steering pump.
2. Disconnect the power steering pump electrical connector.
3. Remove the power steering fluid lines from the pump.
4. Unbolt the pump from its mounting bracket.
5. Replace with a new power steering pump (ensure compatibility).
6. Reinstall the pump and reconnect all lines and electrical connectors.

4. Examine and Replace Wheel Bearings (if necessary)

Sub-steps:
1. Safely lift the vehicle using a jack and secure it with jack stands.
2. Remove the wheel to access the hub assembly.
3. Inspect the wheel bearing for play and noise.
4. If defective, remove the hub assembly and replace the wheel bearing using a press.
5. Reassemble the components and lower the vehicle.

5. Inspect Suspension Components

Sub-steps:
1. Examine the control arms, tie rods, and bushings for wear or damage.
2. Replace any worn components with new parts, ensuring proper alignment.
3. Reassemble any removed components and perform a wheel alignment if necessary.

Tools Required:

Socket set
Torque wrench
Pliers
Power steering fluid
Jack and jack stands
Wheel bearing press

Parts Required:

Power steering pump (if necessary)
Wheel bearings (if necessary)
Power steering fluid

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the 12V battery before servicing electrical components.
Ensure the vehicle is securely lifted before working underneath.