how to fix Tesla Model S Plaid with a rear suspension clunking noise

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

540 words

Problem Statement

Learn how to diagnose and fix rear suspension clunking noise in Tesla Model S Plaid. 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

•Always ensure the vehicle is securely supported on jack stands before working underneath.
•Allow the vehicle to cool down before inspecting suspension components, especially if any have been removed.

Symptoms

•Clunking noise when driving over bumps or uneven surfaces
•Unusual vibrations felt in the cabin
•Increased difficulty in steering response
•Potential uneven tire wear
•Warning messages on the dashboard related to suspension or handling

Diagnostic Steps

1
Inspect the rear suspension visually for any signs of damage or wear.
2
Check for loose bolts or fasteners on suspension components.
3
Use a stethoscope or mechanic's tool to pinpoint the source of the noise.
4
Examine the condition of the bushings and mounts for deterioration or separation.
5
Test drive the vehicle while listening for the clunking noise under various driving conditions.

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

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

Parts Required

•Shock absorbers (if needed)
•Control arm bushings (if needed)

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Diagnostic Steps

1
Inspect the rear suspension visually for any signs of damage or wear.
2
Check for loose bolts or fasteners on suspension components.
3
Use a stethoscope or mechanic's tool to pinpoint the source of the noise.
4
Examine the condition of the bushings and mounts for deterioration or separation.
5
Test drive the vehicle while listening for the clunking noise under various driving conditions.

Solution

1. Preparation

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

2. Raise the Vehicle

Using a hydraulic jack, lift the rear of the Tesla Model S Plaid.
Secure the vehicle with jack stands to ensure stability while working underneath.

3. Remove Rear Wheels

Use a socket set to remove the lug nuts and take off the rear wheels to access the suspension components.

4. Inspect and Replace Suspension Components

Check Shock Absorber:
- Inspect the rear shock absorbers for leaks or damage.
- If damaged, remove the shock absorber by loosening the bolts at the top and bottom mounting points.
- Replace with a new shock absorber, tightening bolts to the manufacturer’s specifications (typically around 30-40 ft-lbs).
Check Control Arm and Bushings:
- Inspect the control arms for cracks or excessive play.
- If bushings are worn, remove the control arm by loosening the bolts.
- Replace the bushings with new ones and reinstall the control arm, ensuring all bolts are torqued to specification (usually around 70-90 ft-lbs).

5. Reassemble and Lower the Vehicle

Reinstall the rear wheels and tighten the lug nuts to the manufacturer’s torque specification (typically around 100-110 ft-lbs).
Lower the vehicle and remove jack stands.

6. Final Inspection

Double-check that all components are securely fastened.
Ensure no tools are left in the engine bay or wheel wells.