how to replace a worn out strut on my Tesla Model S

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

572 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Step-by-step guide to replacing a worn strut on Tesla Model S. Learn symptoms, diagnostic steps, tools, and safety tips for effective repair.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely supported on jack stands before working underneath.
•Disconnect the battery before performing any electrical work.

Symptoms

•Excessive bouncing or swaying while driving
•Rough ride quality over bumps and uneven surfaces
•Uneven tire wear, particularly on the inner or outer edges
•Noises such as clunking or rattling when going over bumps
•Vehicle feels unstable during cornering or braking

Diagnostic Steps

1
Inspect the strut visually for signs of oil leakage or physical damage.
2
Check for any abnormal noises while compressing the strut manually.
3
Verify proper alignment and tire pressure to rule out related issues.
4
Test drive the vehicle to assess ride quality and handling characteristics.
5
Use a suspension tester to measure strut performance if available.

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 (including deep sockets)
•Torque wrench
•Screwdrivers
•Pliers

Parts Required

•Replacement strut assembly (front or rear, as applicable)
•New strut mount (if necessary)

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Diagnostic Steps

1
Inspect the strut visually for signs of oil leakage or physical damage.
2
Check for any abnormal noises while compressing the strut manually.
3
Verify proper alignment and tire pressure to rule out related issues.
4
Test drive the vehicle to assess ride quality and handling characteristics.
5
Use a suspension tester to measure strut performance if available.

Solution

1. Preparation

Gather tools and parts needed for the replacement.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative terminal of the battery to prevent electrical issues.

2. Lift the Vehicle

Use a hydraulic jack to lift the front or rear of the vehicle, depending on which strut is being replaced.
Secure the vehicle with jack stands rated for the weight of the Tesla Model S.

3. Remove Wheel

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

4. Disconnect Strut Assembly

Locate the strut assembly and remove any protective covers if necessary.
Using the appropriate socket, remove the bolts securing the strut to the steering knuckle and the upper mount.
Carefully detach any additional components linked to the strut, such as brake lines or sway bar links.

5. Remove Worn Strut

Gently pull the strut assembly out of its mount. Take care not to damage surrounding components.

6. Install New Strut

Position the new strut in place, aligning it with the mount and steering knuckle.
Hand-tighten the nuts and bolts to hold the new strut in position.
Torque the upper strut mount bolts to the manufacturer's specifications (typically 30-40 ft-lbs) and the lower bolts to the appropriate torque settings.

7. Reinstall Wheel

Place the wheel back onto the hub and hand-tighten the lug nuts.
Lower the vehicle from the jack stands and tighten the lug nuts to the manufacturer's specification (typically 100-110 ft-lbs).

8. Final Checks

Reconnect the negative terminal of the battery.
Check the alignment settings and adjust if necessary.