my Tesla Model S Original (2012-2020) makes a thumping sound when going over bumps

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

544 words

Problem Statement

Learn how to diagnose and fix thumping noise in Tesla Model S 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 vehicle's 12V battery before performing suspension work.
•Always use jack stands to support the vehicle when working underneath it.

Symptoms

•Thumping noise when driving over bumps or uneven surfaces
•Noise may vary with speed and intensity of bumps
•Possible feeling of instability or uneven ride quality
•No warning lights or error messages on the dashboard
•Increased vibrations felt through the steering wheel or chassis

Diagnostic Steps

1
Inspect the suspension components visually for any signs of damage or wear.
2
Check for loose bolts or fasteners in the suspension system.
3
Use a pry bar to test for play in the control arms and bushings.
4
Examine the shock absorbers for fluid leaks or physical damage.
5
Inspect the vehicle's undercarriage for any loose parts or debris.
6
Test drive the vehicle while listening closely to isolate the source of the noise.

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

•Jack and jack stands
•Lug wrench
•Socket set
•Torque wrench
•Pry bar

Parts Required

•Control arms (if damaged)
•Bushings (if needed)
•Shock absorbers (if leaking or damaged)

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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 fasteners in the suspension system.
3
Use a pry bar to test for play in the control arms and bushings.
4
Examine the shock absorbers for fluid leaks or physical damage.
5
Inspect the vehicle's undercarriage for any loose parts or debris.
6
Test drive the vehicle while listening closely to isolate the source of the noise.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Safety warning: Disconnect the vehicle's 12V battery to prevent electrical issues.

2. Inspect and Replace Suspension Components

Raise the Vehicle
- Use a jack to lift the vehicle and secure it on jack stands.
- Ensure the vehicle is stable before proceeding.
Remove Wheel
- Use a lug wrench to remove the wheel on the side where the noise is occurring.
Inspect Control Arms and Bushings
- Check the control arms for cracks or excessive wear.
- Replace any damaged control arms or bushings.
- Tools Required: Socket set, pry bar, torque wrench.
Examine Shock Absorbers
- Inspect the shock absorbers for any signs of leakage or damage.
- If damaged, remove the old shock absorbers by unbolting them from the top and bottom mounts.
- Install new shock absorbers, ensuring they are properly aligned and tightened to manufacturer specifications.
- Torque specifications: Refer to the service manual for specific torque values.
Reassemble Suspension and Wheel
- Reattach the wheel and tighten the lug nuts to the recommended torque.
- Lower the vehicle back to the ground.

3. Test Drive

Conduct a test drive to ensure the thumping noise has been resolved.
Listen for any remaining noises when going over bumps.