how to fix worn out struts in Tesla Model 3 Original (2017-2023)?

Tesla Model 3 Highland (2024-present)

Error Codes

3-5 hours

Time

hard

Difficulty

medium

Severity

3 min read

589 words

Problem Statement

Learn how to fix worn out struts in Tesla Model 3 (2017-2023). Step-by-step guide with diagnostic steps, tools required, and safety warnings.

Affected Component

Suspension

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always use a spring compressor when handling strut assemblies to prevent injury.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Excessive bouncing or swaying during turns
•Uneven tire wear
•Increased road noise
•Vehicle instability over bumps
•Difficulty maintaining alignment

Diagnostic Steps

1
Inspect the struts visually for signs of oil leakage or physical damage.
2
Perform a bounce test by pressing down on each corner of the vehicle to check for excessive rebound.
3
Check the tire tread for uneven wear patterns.
4
Use a jack to lift the vehicle and inspect the strut mounts and bushings for wear.
5
Verify alignment settings if the vehicle pulls to one side during driving.

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
•Spring compressor
•Jack and jack stands
•Strut nut socket

Parts Required

•New strut assemblies
•Strut mounts
•Coil springs

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Diagnostic Steps

1
Inspect the struts visually for signs of oil leakage or physical damage.
2
Perform a bounce test by pressing down on each corner of the vehicle to check for excessive rebound.
3
Check the tire tread for uneven wear patterns.
4
Use a jack to lift the vehicle and inspect the strut mounts and bushings for wear.
5
Verify alignment settings if the vehicle pulls to one side during driving.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the negative battery terminal to ensure safety.

Tools Required:

Socket set
Torque wrench
Spring compressor
Jack and jack stands
Strut nut socket (if applicable)

2. Remove the Wheel

Loosen the lug nuts on the wheel associated with the strut being replaced.
Lift the vehicle with a jack and secure it with jack stands.
Remove the lug nuts and take off the wheel.

3. Remove the Strut Assembly

Locate the upper strut mount nuts inside the engine compartment and remove them using the appropriate socket.
Disconnect any brake line brackets or sensors attached to the strut.
Remove the lower strut bolts from the knuckle using a socket and breaker bar if necessary.
Carefully pull the strut assembly out of the vehicle.

4. Replace the Strut

Use a spring compressor to safely compress the coil spring on the strut assembly.
Once compressed, remove the strut mount nut and take off the upper strut mount and spring from the old strut.
Install the spring and upper strut mount onto the new strut.
Reassemble the strut assembly and ensure all components are torqued to the manufacturer's specifications.

5. Install the New Strut

Insert the new strut into the mounting location.
Reattach the lower strut bolts to the knuckle and torque them to the specified value.
Reinstall the upper strut mount nuts and torque them appropriately.
Reconnect any brake line brackets or sensors.

6. Reinstall the Wheel

Place the wheel back onto the hub and hand-tighten the lug nuts.
Lower the vehicle from the jack stands and torque the lug nuts to the manufacturer's specifications.

7. Final Checks

Reconnect the negative battery terminal.
Perform a wheel alignment after installation is complete.