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

510 words

Problem Statement

Learn how to diagnose and fix 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 the high-voltage battery before working on electrical or steering components.
•Allow the vehicle to cool down before working on any engine or drivetrain parts.

Symptoms

•Whining noise increases with steering input during turns
•Noise is more pronounced at low speeds
•Possible vibration felt through the steering wheel
•Intermittent or constant noise while turning
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Listen for noise while stationary and turning the steering wheel to determine if it is related to the steering system.
3
Check for any visible leaks around the steering components.
4
Test the electric power steering system using onboard diagnostics.
5
Inspect the wheel bearings and CV joints for wear or damage.
6
Examine the suspension components for any loose or damaged parts.

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
•Fluid pump
•Socket set
•Torque wrench

Parts Required

•Power steering fluid
•Wheel bearings (if worn)
•CV joint (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect power steering fluid level and condition.
2
Listen for noise while stationary and turning the steering wheel to determine if it is related to the steering system.
3
Check for any visible leaks around the steering components.
4
Test the electric power steering system using onboard diagnostics.
5
Inspect the wheel bearings and CV joints for wear or damage.
6
Examine the suspension components for any loose or damaged parts.

Solution

1. Preparation

Tools Required: OBD-II scanner, fluid pump, socket set, torque wrench
Park the vehicle on a level surface and engage the parking brake.
Disconnect the high-voltage battery for safety.

2. Check and Replace Power Steering Fluid

Sub-steps:
1. Remove the power steering fluid reservoir cap.
2. Check the fluid level; if low, add the recommended Tesla power steering fluid.
3. If fluid is dirty or has debris, perform a fluid exchange.
4. Run the steering system to circulate the new fluid and check for noise reduction.

3. Inspect and Service Steering Components

Sub-steps:
1. Safely lift the front of the vehicle using jack stands.
2. Inspect the steering rack and associated linkage for wear or play.
3. Tighten any loose bolts to the manufacturer's torque specifications (usually around 40-50 Nm).
4. If components are damaged, replace them as per manufacturer guidelines.

4. Inspect Wheel Bearings and CV Joints

Sub-steps:
1. Remove the front wheels using a socket set.
2. Check the wheel bearings for any roughness or play; if they feel worn, replace them.
3. Inspect CV joints for signs of damage or grease leakage; if necessary, replace the CV joint or axle assembly.

5. Reassemble and Test

Sub-steps:
1. Reinstall the wheels and lower the vehicle.
2. Reconnect the high-voltage battery.
3. Take the vehicle for a test drive to verify the noise is gone.