why does my Tesla Model S Plaid/Refresh (2021-present) make a whirring noise

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

631 words

Problem Statement

Learn how to diagnose and fix whirring noise issues in Tesla Model S Plaid. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the vehicle from charging before starting any diagnostic or repair work.
•Always allow the vehicle to cool down before inspecting any components related to the battery.

Symptoms

•Whirring noise from the vehicle, particularly noticeable during acceleration or deceleration
•Possible fluctuation in vehicle performance or power delivery
•Potential vibrations felt in the cabin or steering wheel
•No dashboard warning lights illuminated
•Increased energy consumption reported in the vehicle's energy display

Diagnostic Steps

1
Perform a visual inspection of the vehicle's undercarriage to check for any loose components or debris that may be causing the noise.
2
Check the battery and motor cooling system for any obstructions or leaks that could lead to abnormal sounds.
3
Listen for the noise while stationary and in gear to determine if it persists without motion, which may indicate an issue with the electric motors or drive unit.
4
Use the Tesla mobile app or vehicle interface to check for any software updates or alerts that may relate to the drivetrain or battery systems.
5
Inspect the wheel bearings and brakes for wear or damage, which can also produce whirring noises during operation.
6
Conduct a test drive while monitoring energy consumption and performance metrics to identify any potential correlation with the 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 and jack stands
•Socket set
•Torque wrench
•Multimeter
•Tesla diagnostic tool

Parts Required

•Wheel bearings (if replacement is necessary)
•Brake components (if worn)

Related Faults

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Symptoms

•Whirring noise from the vehicle, particularly noticeable during acceleration or deceleration

•Possible fluctuation in vehicle performance or power delivery

•Potential vibrations felt in the cabin or steering wheel

•No dashboard warning lights illuminated

•Increased energy consumption reported in the vehicle's energy display

Diagnostic Steps

1
Perform a visual inspection of the vehicle's undercarriage to check for any loose components or debris that may be causing the noise.
2
Check the battery and motor cooling system for any obstructions or leaks that could lead to abnormal sounds.
3
Listen for the noise while stationary and in gear to determine if it persists without motion, which may indicate an issue with the electric motors or drive unit.
4
Use the Tesla mobile app or vehicle interface to check for any software updates or alerts that may relate to the drivetrain or battery systems.
5
Inspect the wheel bearings and brakes for wear or damage, which can also produce whirring noises during operation.
6
Conduct a test drive while monitoring energy consumption and performance metrics to identify any potential correlation with the noise.

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, torque wrench, multimeter, Tesla diagnostic tool (if necessary)
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Inspect the Drivetrain

Sub-steps:
1. Lift the vehicle using a jack and secure it with jack stands.
2. Remove the underbody panel to access the drive units.
3. Inspect the electric motors and associated components for signs of wear, damage, or loose connections.
4. Check the mounting bolts for proper torque specifications as per Tesla’s service manual.

3. Examine the Cooling System

Sub-steps:
1. Inspect the cooling pump and associated piping for any leaks or blockages.
2. Verify that the coolant level is within specifications and top up if necessary using the recommended Tesla coolant.
3. Test the cooling pump operation by activating it through the vehicle’s diagnostics.

4. Inspect Wheel Bearings and Brakes

Sub-steps:
1. Remove the wheel to access the brake caliper and bearing assembly.
2. Inspect the wheel bearing for play or noise when rotated by hand.
3. Check brake components for wear and ensure they are not making contact with the rotor unintentionally.
4. Reassemble the wheel and torque the lug nuts to the specified value from the service manual.

5. Reset Vehicle Systems

Sub-steps:
1. Perform a soft reset of the vehicle’s systems by holding down both scroll wheels on the steering wheel until the screen resets.
2. Check for any new diagnostics or alerts in the vehicle's information center after the reset.