why does my Tesla Model S Original (2012-2020) make a whirring noise while driving

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

520 words

Problem Statement

Discover how to diagnose and fix whirring noise issues in Tesla Model S (2012-2020). Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical components.
•Allow the vehicle to cool before inspecting the drive unit.

Symptoms

•Whirring noise increases with vehicle speed
•Noise persists regardless of acceleration or deceleration
•Possible vibrations felt through the floor or steering wheel
•Occasional loss of power during acceleration
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect the tires for uneven wear or damage that could cause noise.
2
Check the wheel bearings for any signs of wear or damage.
3
Use an OBD-II scanner to check for any hidden error codes related to the drive unit or electrical systems.
4
Inspect the drive unit for any signs of physical damage or leaks.
5
Test the inverter operation and check for abnormal sounds from the electric motor.
6
Examine suspension components for looseness or wear that could contribute to noise.

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

•Jack
•Jack stands
•Tire iron
•Torque wrench
•Socket set
•Bearing puller
•Multimeter

Parts Required

•New tires (if needed)
•Wheel bearing assembly (if needed)
•Drive unit components (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the tires for uneven wear or damage that could cause noise.
2
Check the wheel bearings for any signs of wear or damage.
3
Use an OBD-II scanner to check for any hidden error codes related to the drive unit or electrical systems.
4
Inspect the drive unit for any signs of physical damage or leaks.
5
Test the inverter operation and check for abnormal sounds from the electric motor.
6
Examine suspension components for looseness or wear that could contribute to noise.

Solution

1. Preparation

Gather tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.

2. Inspect and Replace Tires (if necessary)

Sub-steps:
- Remove the wheel covers or hubcaps if applicable.
- Use a jack to lift the vehicle and secure it with jack stands.
- Inspect tires for uneven wear patterns or bulges.
- Replace tires if they show significant wear or damage.
Tools Required: Jack, jack stands, tire iron, torque wrench.

3. Check Wheel Bearings

Sub-steps:
- Remove the wheel from the affected side.
- Spin the hub and listen for grinding noises that indicate a faulty bearing.
- If defective, replace the wheel bearing assembly.
Tools Required: Socket set, bearing puller.

4. Inspect Drive Unit

Sub-steps:
- Safely lift the vehicle and access the drive unit.
- Visually inspect for oil leaks or physical damage.
- Replace any damaged components or seals as necessary.
Tools Required: Socket set, torque wrench.

5. Test Electric Motor and Inverter

Sub-steps:
- Use a multimeter to check voltage and current at the inverter.
- Listen for unusual sounds when the motor is running at different speeds.
- If issues are found, consult with Tesla service for further diagnosis or replacement of electronic components.
Tools Required: Multimeter.