my Tesla Model S Original (2012-2020) has a leaking strut how do I fix it?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

3-5 hours

Time

medium

Difficulty

medium

Severity

3 min read

553 words

Problem Statement

Learn how to diagnose and fix a leaking strut on your Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Always use jack stands when working underneath the vehicle to prevent accidents.

Symptoms

•Visible fluid leakage around the strut assembly
•Decreased ride quality or comfort
•Increased body roll during turns
•Uneven tire wear
•Knocking or clunking noises when driving over bumps

Diagnostic Steps

1
Inspect the strut assembly visually for signs of fluid leakage.
2
Check the vehicle's suspension alignment to identify any misalignment caused by the leaking strut.
3
Perform a bounce test by pushing down on the vehicle and observing how it responds; excessive bouncing indicates a strut issue.
4
Use a fluid analysis kit to determine the type of fluid leaking (if necessary).
5
Verify if any other components in the suspension system are damaged due to the leaking strut.

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
•Strut spring compressor (if applicable)

Parts Required

•Replacement strut (specific to Tesla Model S)
•New strut mount (optional but recommended)

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Diagnostic Steps

1
Inspect the strut assembly visually for signs of fluid leakage.
2
Check the vehicle's suspension alignment to identify any misalignment caused by the leaking strut.
3
Perform a bounce test by pushing down on the vehicle and observing how it responds; excessive bouncing indicates a strut issue.
4
Use a fluid analysis kit to determine the type of fluid leaking (if necessary).
5
Verify if any other components in the suspension system are damaged due to the leaking strut.

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 to prevent any electrical issues.

2. Raise the Vehicle

Use a jack to lift the front or rear of the vehicle (depending on the leaking strut location).
Secure the vehicle with jack stands for safety.

3. Remove the Wheel

Using a lug wrench, remove the lug nuts and take off the wheel to access the strut assembly.

4. Remove the Strut Assembly

Identify and remove the bolts securing the strut to the steering knuckle and upper strut mount.
Disconnect any electrical connectors if the strut is equipped with electronic dampening controls.
Carefully remove the strut from the vehicle, ensuring to support it to prevent dropping.

5. Inspect and Replace

Inspect the strut for damage. If it is leaking, it will need to be replaced.
Install the new strut by reversing the removal steps; ensure proper alignment of the strut mount and knuckle.
Torque the bolts to the manufacturer’s specifications (usually around 50-70 lb-ft but check the service manual for exact values).

6. Reinstall the Wheel

Place the wheel back onto the hub and hand-tighten the lug nuts.
Lower the vehicle off the jack stands and then torque the lug nuts to the manufacturer’s specifications (usually around 100-120 lb-ft).

7. Reconnect the Battery

Reconnect the battery terminals and ensure they are secure.