my Tesla Model S Original (2012-2020) has a clunky suspension when driving over bumps

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

493 words

Problem Statement

Learn how to diagnose and fix clunky suspension issues in 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

•Disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before working on suspension components.

Symptoms

•Clunky noise when driving over bumps
•Uneven ride quality or harshness
•Increased body roll during turns
•Steering wheel vibrations over rough surfaces
•Visible wear on suspension components (if inspected)

Diagnostic Steps

1
Inspect the suspension components visually for wear or damage, including control arms, bushings, and struts.
2
Check for any loose bolts or fasteners on the suspension assembly.
3
Perform a bounce test on each corner of the vehicle to assess the dampening of the shocks/struts.
4
Use a stethoscope or a similar tool to isolate the source of the clunking noise while the vehicle is stationary and pressed down on the suspension.
5
Examine the tire condition and pressure, as improper inflation can cause suspension-related noises.

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
•Pry bar
•Stethoscope

Parts Required

•Control arms (if damaged)
•Bushings (if worn)
•Struts or shocks (if leaking or damaged)

Related Faults

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Diagnostic Steps

1
Inspect the suspension components visually for wear or damage, including control arms, bushings, and struts.
2
Check for any loose bolts or fasteners on the suspension assembly.
3
Perform a bounce test on each corner of the vehicle to assess the dampening of the shocks/struts.
4
Use a stethoscope or a similar tool to isolate the source of the clunking noise while the vehicle is stationary and pressed down on the suspension.
5
Examine the tire condition and pressure, as improper inflation can cause suspension-related noises.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery to ensure safety while working on electrical components.

2. Remove Wheel

Use a socket set to loosen the lug nuts on the affected wheel.
Lift the vehicle using a jack and secure it with jack stands.
Remove the wheel to gain access to the suspension components.

3. Inspect and Replace Suspension Components

Inspect Control Arms and Bushings:
- Check for cracks or tears in the bushings.
- If damaged, remove the control arm bolts using a socket and wrench, and replace with new parts.
Inspect Struts/Shocks:
- Check for any signs of leakage or damage.
- If necessary, remove the strut assembly by unbolting it from the top mount and lower control arm. Replace with a new strut and secure with correct torque specifications (consult service manual for specific torque values).

4. Reassemble and Test

Reinstall the wheel and hand-tighten the lug nuts.
Lower the vehicle and torque the lug nuts to specifications.
Reconnect the battery and perform a test drive to evaluate the suspension performance.