Tesla Model S Plaid/Refresh (2021-present) suspension noise when going over bumps

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

481 words

Problem Statement

Learn how to diagnose and fix suspension noise in Tesla Model S Plaid/Refresh. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

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 supported on jack stands before working underneath.

Symptoms

•Clunking or rattling noise when going over bumps
•Vehicle feels unstable or bouncy when traversing uneven surfaces
•Increased road noise inside the cabin
•Uneven tire wear or visible damage on suspension components
•Warning messages related to suspension or handling on the dashboard

Diagnostic Steps

1
Inspect the suspension components visually for any visible damage or wear.
2
Check for loose bolts or hardware in the suspension assembly.
3
Test the shock absorbers by pressing down on each corner of the vehicle and observing rebound.
4
Use a diagnostic scanner to check for error codes related to the vehicle's suspension system.
5
Inspect the bushings and mounts for signs of deterioration or failure.
6
Verify that the wheel alignment is within manufacturer's specifications.

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
•Diagnostic scanner

Parts Required

•Shock absorbers or struts (if worn)
•Bushings or mounts (if deteriorated)

Related Faults

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Diagnostic Steps

1
Inspect the suspension components visually for any visible damage or wear.
2
Check for loose bolts or hardware in the suspension assembly.
3
Test the shock absorbers by pressing down on each corner of the vehicle and observing rebound.
4
Use a diagnostic scanner to check for error codes related to the vehicle's suspension system.
5
Inspect the bushings and mounts for signs of deterioration or failure.
6
Verify that the wheel alignment is within manufacturer's specifications.

Solution

1. Preparation

Gather all necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery to prevent any electrical issues during repair.

2. Inspect and Replace Suspension Components

Inspect Components:
- Remove the wheel to gain access to the suspension.
- Visually inspect shock absorbers, struts, bushings, and mounts for wear or damage.
Replace Damaged Parts:
- If any components are worn or damaged, proceed to replace them:
  1. Remove the affected suspension component (e.g., shock absorber or strut) by loosening the bolts using a socket set.
  2. Install the new component, ensuring it is properly aligned and tightened to the manufacturer's torque specifications (usually between 35-75 ft-lbs depending on the component).
  3. Replace any bushings or mounts as needed, following the same removal and installation process.

3. Reassemble and Test

Reinstall the wheel and lower the vehicle back to the ground.
Reconnect the battery.
Perform a test drive over bumps to ensure the noise has been resolved.