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

510 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 12V battery before working on electrical or suspension components.
•Always use jack stands to support the vehicle when lifted.

Symptoms

•Clunking noise when driving over uneven surfaces or bumps
•Possible rattling sounds from the suspension area
•Increased vibration felt through the steering wheel
•Vehicle may feel unstable or less controlled on rough terrain
•No warning lights illuminated on the dashboard

Diagnostic Steps

1
Inspect the suspension components visually for any signs of damage or wear.
2
Check for loose bolts or nuts in the suspension system using a torque wrench.
3
Perform a bounce test by pushing down on the corners of the vehicle to observe the rebound behavior.
4
Examine the shock absorbers and struts for fluid leaks or physical damage.
5
Listen for noise while manually moving suspension components (control arms, bushings, etc.) to identify worn parts.

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
•Screwdriver set

Parts Required

•Shock absorbers or struts (if needed)
•Control arms or bushings (if needed)

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Diagnostic Steps

1
Inspect the suspension components visually for any signs of damage or wear.
2
Check for loose bolts or nuts in the suspension system using a torque wrench.
3
Perform a bounce test by pushing down on the corners of the vehicle to observe the rebound behavior.
4
Examine the shock absorbers and struts for fluid leaks or physical damage.
5
Listen for noise while manually moving suspension components (control arms, bushings, etc.) to identify worn parts.

Solution

1. Preparation

Gather tools and parts required for the repair.
Park the vehicle on a flat, stable surface and engage the parking brake.
Disconnect the 12V battery for safety.

2. Inspect and Replace Worn Components

Raise the Vehicle
- Use a jack to lift the vehicle; secure it with jack stands.
- Ensure that the vehicle is stable before working underneath.
Remove Wheel
- Using a socket set, remove the wheel nuts and take off the wheel to access the suspension components.
Inspect Suspension Components
- Check control arms, bushings, and struts for wear.
- If any components show signs of damage (cracks, excessive play), proceed to replace them.
Replace Shock Absorbers/Struts
- If the shock absorbers are faulty, remove them by unbolting the top and bottom mounting bolts.
- Install new shock absorbers, ensuring to torque the bolts to manufacturer specifications (typically around 25-35 ft-lbs, but verify with service manual).
Reassemble
- Reinstall the wheel and torque the wheel nuts to the specified value (usually 100-120 ft-lbs).
- Lower the vehicle from the jack stands.

3. Final Checks

Reconnect the 12V battery.
Perform a test drive to ensure the clunking noise is resolved.