how to tell if the struts are worn out on my Tesla Model 3 Original (2017-2023)

Tesla Model 3 Highland (2024-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

548 words

Problem Statement

Learn how to diagnose and replace worn struts on your Tesla Model 3 (2017-2023). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use jack stands when working under a vehicle.
•Ensure the vehicle is on a flat surface before lifting.

Symptoms

•Increased vehicle bounce after hitting bumps
•Excessive body roll during turns
•Uneven tire wear, particularly on the inner or outer edges
•Noises such as clunking or rattling when driving over uneven surfaces
•Reduced ride comfort and stability at high speeds

Diagnostic Steps

1
Visually inspect the struts for any signs of leakage or physical damage.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing the rebound.
3
Check tire condition for uneven wear patterns that may indicate strut issues.
4
Listen for unusual noises while driving over bumps or uneven surfaces.
5
Inspect the alignment of the vehicle to determine if it has been affected by strut wear.

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

•Floor jack
•Jack stands
•Socket set
•Torque wrench
•Safety glasses
•Gloves

Parts Required

•New struts (front and/or rear as needed)
•Strut mounts (if necessary)

Related Faults

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Diagnostic Steps

1
Visually inspect the struts for any signs of leakage or physical damage.
2
Perform a bounce test by pushing down on each corner of the vehicle and observing the rebound.
3
Check tire condition for uneven wear patterns that may indicate strut issues.
4
Listen for unusual noises while driving over bumps or uneven surfaces.
5
Inspect the alignment of the vehicle to determine if it has been affected by strut wear.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and engage the parking brake.
Wear safety glasses and gloves.

2. Raise the Vehicle

Use a floor jack to lift the vehicle at the designated lift points.
Secure the vehicle with jack stands for safety.

3. Remove Wheels

Using a socket set, remove the lug nuts and take off the front or rear wheels to access the struts.

4. Inspect Struts

Check for signs of leakage or physical damage.
If struts are leaking or damaged, proceed to replace.

5. Remove Old Struts

Disconnect any electrical connections and brake line brackets attached to the strut.
Remove the upper mounting nuts in the engine bay or trunk (depending on the strut location).
Use a socket and wrench to detach the strut from the lower control arm.

6. Install New Struts

Position the new strut into place and secure it to the lower control arm.
Reattach the upper mounting nuts and ensure they are torqued to the manufacturer’s specifications.
Reconnect any electrical connections and brake line brackets.

7. Reinstall Wheels

Place the wheels back on and hand-tighten the lug nuts.
Lower the vehicle and then use a torque wrench to tighten the lug nuts to the specified torque.

8. Final Inspection

Double-check all connections, and ensure everything is secure.
Test drive the vehicle to confirm that the ride quality has improved.