why does my Tesla Model S Original (2012-2020) have a loud noise when accelerating

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

494 words

Problem Statement

Discover the causes and solutions for loud noise during acceleration in Tesla Model S (2012-2020). Step-by-step diagnostic and repair guide included.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the 12V battery before performing any electrical work.
•Always use jack stands when working under a vehicle.

Symptoms

•Loud whirring or grinding noise when accelerating
•Noise intensity increases with speed and acceleration
•Possible vibrations felt through the cabin
•Unusual sounds when turning the steering wheel
•Reduced performance or responsiveness during acceleration

Diagnostic Steps

1
Inspect the drivetrain components for any visible wear or damage.
2
Check the battery pack and motor for any error codes using the Tesla service diagnostics.
3
Examine the suspension components (e.g., bushings, bearings, and mounts) for signs of wear or damage.
4
Test drive the vehicle at various speeds to replicate the noise and note any changes in pitch or intensity.
5
Listen closely for the noise while in park to determine if it is related to the drivetrain or another component.

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

•Socket set
•Flashlight
•Hydraulic jack
•Jack stands
•Torque wrench

Parts Required

•Motor mounts
•Suspension bushings
•Wheel bearings

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Diagnostic Steps

1
Inspect the drivetrain components for any visible wear or damage.
2
Check the battery pack and motor for any error codes using the Tesla service diagnostics.
3
Examine the suspension components (e.g., bushings, bearings, and mounts) for signs of wear or damage.
4
Test drive the vehicle at various speeds to replicate the noise and note any changes in pitch or intensity.
5
Listen closely for the noise while in park to determine if it is related to the drivetrain or another component.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the 12V battery to avoid electrical shock.

2. Inspect Drivetrain Components

Sub-steps:
- Remove the undercarriage shield using a socket set.
- Visually inspect the electric motor and gearbox for signs of oil leaks or wear.
- Check the motor mounts for any cracks or deterioration.
Tools Required: Socket set, flashlight.

3. Examine Suspension Components

Sub-steps:
- Raise the vehicle using a hydraulic jack and secure it on jack stands.
- Inspect control arms, bushings, and joints for wear or damage.
- Rotate the wheels to listen for noises that may indicate bearing issues.
Tools Required: Hydraulic jack, jack stands, torque wrench.

4. Repair or Replace Damaged Components

Sub-steps:
- Replace any worn or damaged motor mounts or suspension parts as needed.
- Reassemble any components that were removed for inspection, ensuring all bolts are torqued to manufacturer specifications.
Parts Required: Motor mounts, suspension bushings, bearings (if any are found to be damaged).