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

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

475 words

Problem Statement

Learn how to diagnose and fix the whining noise when turning in Tesla Model S (2012-2020). 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

•Disconnect battery before working on electrical systems.
•Ensure vehicle is securely supported if lifted for inspection or repair.

Symptoms

•Whining noise occurs specifically during turning maneuvers
•Increased resistance when steering
•Possible vibration in the steering wheel
•Intermittent noise that changes with steering angle
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect the power steering fluid level and condition, if applicable.
2
Check for any visible leaks around the steering rack and associated components.
3
Test the electric power steering assist motor for functionality.
4
Examine the steering column for any loose or worn components.
5
Scan the vehicle's computer for any fault codes related to the steering system.

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
•Torque wrench
•Socket set
•Screwdrivers
•Fluid transfer pump

Parts Required

•Power steering fluid (if low)
•Electric power steering assist motor (if defective)
•Steering rack assembly (if leaking)

Related Faults

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Diagnostic Steps

1
Inspect the power steering fluid level and condition, if applicable.
2
Check for any visible leaks around the steering rack and associated components.
3
Test the electric power steering assist motor for functionality.
4
Examine the steering column for any loose or worn components.
5
Scan the vehicle's computer for any fault codes related to the steering system.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the 12V battery to ensure safety while working on electrical components.

2. Inspect Power Steering Fluid (if applicable)

Locate the power steering fluid reservoir.
Remove the cap and check fluid level against the markings on the reservoir.
If low, top off with the recommended fluid type (refer to owner's manual).

3. Check for Leaks

Visually inspect the steering rack and hoses for any signs of fluid leaks.
Clean any accumulated dirt or debris for better visibility.
If leaks are found, replace the affected hoses or steering rack as necessary.

4. Test Electric Power Steering Assist Motor

Reconnect the battery and start the vehicle.
With the wheels off the ground, have an assistant turn the steering wheel while you listen for the motor operation.
If the motor is not functioning, replace the electric power steering assist motor.

5. Examine Steering Column Components

Remove any necessary panels to access the steering column.
Inspect for loose bolts or components within the steering assembly.
Tighten or replace any worn or damaged parts as needed.