why does my Tesla Model S Plaid/Refresh (2021-present) make a loud thumping noise when driving?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

554 words

Problem Statement

Diagnose and fix loud thumping noise in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions for suspension issues.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported on jack stands before working underneath.
•Allow the vehicle to cool down before inspecting or working on the brake system.

Symptoms

•Loud thumping noise during acceleration or over bumps
•Noticeable vibrations felt in the cabin
•Uneven tire wear
•Potential warning lights related to suspension systems
•Decreased ride quality or handling performance

Diagnostic Steps

1
Inspect the tires for damage, proper inflation, and uneven wear patterns.
2
Check the suspension components visually for any signs of wear, damage, or loose parts.
3
Perform a road test to identify if the noise is affected by speed, acceleration, or road conditions.
4
Use an OBD-II scanner to check for any stored error codes related to the suspension or drivetrain.
5
Inspect the drivetrain and motor mounts for any signs of wear or failure.

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
•Torque wrench
•Jack and jack stands
•OBD-II scanner

Parts Required

•Replacement tires (if needed)
•Suspension components (shocks, control arms, bushings)
•Motor mounts (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the tires for damage, proper inflation, and uneven wear patterns.
2
Check the suspension components visually for any signs of wear, damage, or loose parts.
3
Perform a road test to identify if the noise is affected by speed, acceleration, or road conditions.
4
Use an OBD-II scanner to check for any stored error codes related to the suspension or drivetrain.
5
Inspect the drivetrain and motor mounts for any signs of wear or failure.

Solution

1. Preparation

Gather required tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Wear safety gloves and goggles.

2. Tire Inspection and Replacement

Sub-steps:
- Remove the wheel covers if applicable, using a socket set.
- Inspect tires for punctures, sidewall damage, and proper tread depth.
- If any tire is damaged or worn unevenly, replace it with a new tire of the same specifications.
- Reinstall the wheel covers and tighten the lug nuts to the manufacturer’s specifications (typically 100-120 ft-lbs).

3. Suspension Component Inspection and Replacement

Sub-steps:
- Lift the vehicle using a jack and secure it with jack stands.
- Inspect each suspension component, including control arms, bushings, and shocks for wear or damage.
- Replace any worn or damaged components with OEM parts. Ensure each part is torqued to the manufacturer's specifications.
- Recheck all fasteners after installation.

4. Drivetrain Inspection

Sub-steps:
- Inspect the motor mounts for signs of cracking or wear.
- Replace any damaged motor mounts with new OEM mounts.
- Ensure all drivetrain components are properly secured and free from excessive play.

5. Final Checks

Sub-steps:
- Lower the vehicle and perform a final visual inspection of all components.
- Take a test drive to confirm the noise has been eliminated and that the vehicle handles correctly.