my Tesla Model S Original (2012-2020) makes a whirring noise when accelerating

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

502 words

Problem Statement

Learn how to diagnose and fix whirring noise during acceleration in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Ensure the vehicle is securely lifted and supported with jack stands before working underneath.

Symptoms

•Whirring noise increases with acceleration
•Possible vibration felt through the vehicle
•Decreased acceleration performance
•Unusual sounds when decelerating
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any logged issues with the electric drivetrain or motor.
2
Inspect the drive unit and associated components for signs of wear, damage, or loose connections.
3
Check fluid levels in the drive unit (if applicable) to ensure proper lubrication.
4
Listen carefully to the noise at different speeds to isolate the source (e.g., front or rear).
5
Test drive the vehicle to confirm when the noise occurs and under what conditions.
6
Examine the wheels and tires for any irregularities that may contribute to noise during acceleration.

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
•Socket set
•Torque wrench
•Jack and jack stands

Parts Required

•Drive unit fluid (if needed)
•Any damaged components (if identified during inspection)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any logged issues with the electric drivetrain or motor.
2
Inspect the drive unit and associated components for signs of wear, damage, or loose connections.
3
Check fluid levels in the drive unit (if applicable) to ensure proper lubrication.
4
Listen carefully to the noise at different speeds to isolate the source (e.g., front or rear).
5
Test drive the vehicle to confirm when the noise occurs and under what conditions.
6
Examine the wheels and tires for any irregularities that may contribute to noise during acceleration.

Solution

1. Preparation

Tools Required:
- OBD-II scanner
- Socket set
- Torque wrench
- Jack and jack stands
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Inspect Drive Unit

Sub-steps:
1. Lift the car using a jack and secure it with jack stands.
2. Remove the underbody panel if applicable by unscrewing bolts with the socket set.
3. Visually inspect the drive unit for leaks, cracks, or damage.
4. Check all electrical connections to the drive unit for tightness and corrosion.

3. Check Fluid Levels

Sub-steps:
1. Locate the fluid fill plug on the drive unit.
2. Remove the plug using the appropriate socket.
3. Check the fluid level; if low, refill with the manufacturer's recommended fluid until it reaches the proper level.
4. Reinstall the fill plug and torque it to the manufacturer's specifications.

4. Test Drive and Listen

Sub-steps:
1. Safely lower the vehicle back to the ground.
2. Take the vehicle for a test drive, paying attention to the noise during various speeds and acceleration levels.
3. If the noise persists, consider further inspection or component replacement based on the diagnosis.