why do I hear a whirring noise from my Tesla Model S Plaid/Refresh (2021-present) when parked

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

510 words

Problem Statement

Learn how to diagnose and resolve whirring noise issues in Tesla Model S Plaid/Refresh. Step-by-step guide with symptoms, diagnostic steps, and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' and the ignition is off before performing inspections.

Symptoms

•Whirring noise persists when the vehicle is stationary
•Noise occurs both when the vehicle is powered on and off
•Possible vibrations felt in the cabin
•No warning lights or error messages displayed on the dashboard
•Noise may vary with temperature or battery state

Diagnostic Steps

1
Inspect for Normal Operations: Determine if the noise is typical by consulting the owner's manual or online forums for similar reports.
2
Check Battery Cooling System: Verify that the battery cooling system is functioning properly by observing the cooling fans.
3
Scan for Error Codes: Use an OBD-II scanner to check for any fault codes related to the vehicle's systems.
4
Listen for Source of Noise: With the vehicle in a quiet environment, try to pinpoint the source of the whirring noise (e.g., from the front or rear).
5
Inspect Electric Motors: Check the electric motors and associated components for signs of wear or damage.
6
Monitor Noise with Different Conditions: Test the vehicle in various states (e.g., charging, idle) to see if the noise changes.

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
•Sound level meter (optional)
•Hydraulic jack
•Jack stands

Parts Required

•Replacement cooling fans (if found defective)
•Lubricants for motor components (if necessary)

Related Faults

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Diagnostic Steps

1
Inspect for Normal Operations: Determine if the noise is typical by consulting the owner's manual or online forums for similar reports.
2
Check Battery Cooling System: Verify that the battery cooling system is functioning properly by observing the cooling fans.
3
Scan for Error Codes: Use an OBD-II scanner to check for any fault codes related to the vehicle's systems.
4
Listen for Source of Noise: With the vehicle in a quiet environment, try to pinpoint the source of the whirring noise (e.g., from the front or rear).
5
Inspect Electric Motors: Check the electric motors and associated components for signs of wear or damage.
6
Monitor Noise with Different Conditions: Test the vehicle in various states (e.g., charging, idle) to see if the noise changes.

Solution

1. Preparation

Tools Required: OBD-II scanner, sound level meter (optional).
Safety Warnings: Ensure the vehicle is in "Park" and the ignition is off before performing inspections.

2. Check Battery Cooling Fans

Sub-steps:
1. Open the front trunk and locate the battery cooling fans.
2. Inspect the fans for obstructions and clean if necessary.
3. Test the fans by turning on the vehicle and observing their operation. They should turn on and off based on battery temperature.

3. Inspect Electric Motors

Sub-steps:
1. Lift the car using a hydraulic jack and secure it with jack stands.
2. Inspect the electric motors for signs of damage or wear.
3. Listen closely to the motors while the car is turned on to determine if the noise is emanating from them.

4. Review System Software

Sub-steps:
1. Ensure the vehicle's software is up to date by checking in the settings.
2. If updates are available, install them as they may address operational noises.