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

505 words

Problem Statement

Learn how to diagnose and fix clunking noise in Tesla Model S Plaid suspension. 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.
•Allow the vehicle to cool before working on suspension components.

Symptoms

•Clunking noise when driving over bumps or uneven surfaces.
•Possible rattling sounds from the suspension area.
•A decrease in ride comfort or stability.
•Abnormal tire wear patterns.
•Vibration felt through the steering wheel.

Diagnostic Steps

1
Inspect the suspension components visually for any signs of wear or damage.
2
Check the tightness of all suspension bolts and fasteners.
3
Use a jack to lift the vehicle and perform a push/pull test on the suspension to check for play.
4
Examine the shock absorbers/struts for leakage or damage.
5
Inspect the sway bar links and bushings for wear.
6
Perform a road test to replicate the noise and identify specific 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

•Socket set
•Tire iron
•Torque wrench
•Jack and jack stands

Parts Required

•Shock absorbers/struts (if necessary)
•Sway bar links (if necessary)
•Suspension bushings (if necessary)

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Diagnostic Steps

1
Inspect the suspension components visually for any signs of wear or damage.
2
Check the tightness of all suspension bolts and fasteners.
3
Use a jack to lift the vehicle and perform a push/pull test on the suspension to check for play.
4
Examine the shock absorbers/struts for leakage or damage.
5
Inspect the sway bar links and bushings for wear.
6
Perform a road test to replicate the noise and identify specific conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat, stable surface and engage the parking brake.
Disconnect the 12V battery to ensure safety during repairs.

2. Inspect and Tighten Suspension Components

Using a socket set, check the torque on all suspension-related bolts, including control arms, struts, and sway bar links.
- Torque specifications: Refer to the Tesla service manual for exact values.
Tighten any loose components to the manufacturer's specifications.

3. Replace Worn Components

If any components are found to be damaged or excessively worn (e.g., shock absorbers, sway bar links):
- Shock Absorbers/Struts Replacement:
  - Remove the wheel using a tire iron.
  - Detach the top and bottom bolts securing the shock absorber.
  - Replace with a new shock absorber and secure it with the bolts (follow torque specifications).
- Sway Bar Link Replacement:
  - Remove the old sway bar link by unbolting it from both ends.
  - Install the new sway bar link and tighten to manufacturer specifications.

4. Reassemble and Lower the Vehicle

Reattach the wheels and ensure all lug nuts are tightened to the recommended torque.
Lower the vehicle back to the ground.

5. Reconnect Battery

Reconnect the 12V battery and ensure that all electronic systems are functioning.