why does my Tesla Model S Original (2012-2020) make a whining noise at high speeds

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

494 words

Problem Statement

Learn how to diagnose and fix whining noise at high speeds in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Drivetrain

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely elevated before working underneath.
•Disconnect high-voltage battery connections if working on the drivetrain components.

Symptoms

•Whining noise becomes noticeable at speeds above 50 mph
•Noise intensity increases with acceleration
•No change in noise when applying brakes
•Possible vibrations felt in the cabin
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Conduct a visual inspection of the tires for uneven wear or damage.
2
Check the wheel bearings for play or noise by spinning the wheels.
3
Use an OBD-II scanner to check for any stored error codes related to the drivetrain.
4
Inspect the drive unit for any signs of leakage or physical damage.
5
Test drive the vehicle at various speeds to determine if the noise changes with vehicle speed or load.
6
Listen closely to pinpoint the source of the noise by using a stethoscope or mechanic’s listening device.

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

•Tire pressure gauge
•Jack and jack stands
•OBD-II scanner
•Mechanic's stethoscope
•Basic socket set

Parts Required

•Wheel bearings (if required)
•Drive unit seal (if applicable)

Related Faults

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Diagnostic Steps

1
Conduct a visual inspection of the tires for uneven wear or damage.
2
Check the wheel bearings for play or noise by spinning the wheels.
3
Use an OBD-II scanner to check for any stored error codes related to the drivetrain.
4
Inspect the drive unit for any signs of leakage or physical damage.
5
Test drive the vehicle at various speeds to determine if the noise changes with vehicle speed or load.
6
Listen closely to pinpoint the source of the noise by using a stethoscope or mechanic’s listening device.

Solution

1. Preparation

Tools Required: Tire pressure gauge, jack and jack stands, OBD-II scanner, mechanic's stethoscope.
Park the vehicle on a flat surface and engage the parking brake.
Gather necessary tools and parts.

2. Inspect and Replace Wheel Bearings

Sub-steps:
1. Elevate the vehicle using the jack and secure it with jack stands.
2. Remove the wheel to gain access to the hub assembly.
3. Spin the hub by hand to check for any roughness or noise.
4. If noise is present, remove the hub assembly.
5. Replace the wheel bearings if they are found to be faulty.
6. Reassemble the wheel and lower the vehicle.

3. Check Drive Unit

Sub-steps:
1. Inspect the drive unit visually for any signs of oil leaks or physical damage.
2. If leaks are present, replace the drive unit seal.
3. If the drive unit is noisy, consider consulting Tesla for a potential replacement or repair.
4. Reconnect any electrical connections and ensure all mounts are secure.

4. Test Drive

Sub-steps:
1. After repairs, take the vehicle for a test drive to confirm if the whining noise persists.
2. Monitor the performance and other related symptoms.