why does my Tesla Model S Original (2012-2020) suspension make clunking noises

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

525 words

Problem Statement

Learn how to diagnose and fix clunking noises in the suspension of your Tesla Model S (2012-2020). 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 support the vehicle securely with jack stands before working underneath it.
•Disconnect the battery before working on electrical components.

Symptoms

•Clunking or knocking noise when driving over bumps or uneven surfaces
•Uneven tire wear or vibration while driving
•Poor ride quality or a loose feeling in the steering
•Warning message related to suspension or ride height
•Increased body roll during cornering

Diagnostic Steps

1
Inspect the suspension components visually for any signs of wear or damage, focusing on control arms, bushings, and struts.
2
Check for loose or damaged hardware, including bolts and nuts, on suspension components.
3
Perform a bounce test on each corner of the vehicle to assess the strut and shock absorber performance.
4
Use a pry bar to check for play in the control arm bushings and ball joints.
5
Examine the sway bar links for any signs of wear or failure.
6
Look for any signs of fluid leaks from the dampers or struts.

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
•Pry bar

Parts Required

•Control arms (if needed)
•Control arm bushings (if needed)
•Sway bar links (if needed)
•Struts or shocks (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the suspension components visually for any signs of wear or damage, focusing on control arms, bushings, and struts.
2
Check for loose or damaged hardware, including bolts and nuts, on suspension components.
3
Perform a bounce test on each corner of the vehicle to assess the strut and shock absorber performance.
4
Use a pry bar to check for play in the control arm bushings and ball joints.
5
Examine the sway bar links for any signs of wear or failure.
6
Look for any signs of fluid leaks from the dampers or struts.

Solution

1. Preparation

Gather all necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the vehicle's battery for safety.

2. Lift the Vehicle

Use a hydraulic jack to lift the vehicle and support it securely with jack stands.
Ensure the vehicle is stable before proceeding.

3. Inspect and Replace Components

Control Arm/Bushing Replacement:
- Remove the wheel for access.
- Unbolt the control arm from the chassis and the wheel hub.
- Replace worn bushings or control arms as needed.
- Torque all bolts to manufacturer specifications (consult service manual for specific torque values).
Sway Bar Link Replacement:
- If sway bar links are damaged, remove the bolts securing the sway bar link to the sway bar and control arm.
- Install new sway bar links and torque bolts to specifications.
Strut/Shock Replacement:
- Remove the top strut bolts under the hood.
- Unbolt the strut from the lower control arm.
- Replace the strut if it is found to be leaking or damaged.
- Reassemble and torque all hardware to specifications.

4. Reassemble and Lower the Vehicle

Reinstall the wheels and lower the vehicle back to the ground.
Reconnect the battery.