how to check if my Tesla Model 3 Original (2017-2023) has a leaking strut

Tesla Model 3 Highland (2024-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

554 words

Problem Statement

Learn how to check for a leaking strut in 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 lifting the vehicle to prevent accidental falls.
•Allow the vehicle to cool before working on suspension components.

Symptoms

•Visible fluid accumulation around the strut or on the ground beneath the vehicle
•Unusual noises from the suspension, such as clunking or knocking
•Deterioration of ride quality or handling, such as excessive bounce or swaying
•Uneven tire wear, particularly on the inner or outer edges
•Warning lights related to suspension or stability control systems may illuminate

Diagnostic Steps

1
Start with a visual inspection of the struts for any signs of oil leakage or fluid buildup.
2
Look for any fluid spots under the vehicle, particularly near the strut area.
3
Push down on the corners of the vehicle to check for excessive bouncing after releasing.
4
Observe the motion of the suspension while the vehicle is on a level surface; it should compress and rebound smoothly.
5
Inspect the tires for uneven wear patterns that may indicate suspension issues.
6
Drive the vehicle over bumps and listen for any unusual noises coming from the suspension area.

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
•Torque wrench
•Safety glasses
•Gloves

Parts Required

•Replacement struts (if leaking)

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Symptoms

•Visible fluid accumulation around the strut or on the ground beneath the vehicle

•Unusual noises from the suspension, such as clunking or knocking

•Deterioration of ride quality or handling, such as excessive bounce or swaying

•Uneven tire wear, particularly on the inner or outer edges

•Warning lights related to suspension or stability control systems may illuminate

Diagnostic Steps

1
Start with a visual inspection of the struts for any signs of oil leakage or fluid buildup.
2
Look for any fluid spots under the vehicle, particularly near the strut area.
3
Push down on the corners of the vehicle to check for excessive bouncing after releasing.
4
Observe the motion of the suspension while the vehicle is on a level surface; it should compress and rebound smoothly.
5
Inspect the tires for uneven wear patterns that may indicate suspension issues.
6
Drive the vehicle over bumps and listen for any unusual noises coming from the suspension area.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Wear safety glasses and gloves for protection.

2. Lift the Vehicle

Use a hydraulic jack to lift the front or rear of the vehicle, placing jack stands under the appropriate lifting points for added safety.
Ensure the vehicle is secure before proceeding.

3. Inspect the Struts

Visual Check: Examine the struts closely for any signs of oil leaks or damaged seals.
Check for Play: Grasp the strut assembly and check for any excessive play or movement in the mountings.

4. Replace if Necessary

If a leakage is confirmed:
1. Remove the Wheel: Use a socket set to remove the lug nuts and take off the wheel for better access.
2. Disconnect Strut Assembly: Remove bolts connecting the strut to the lower control arm and the top mount using the appropriate socket.
3. Remove the Strut: Carefully detach the strut from the vehicle.
4. Install New Strut: Place the new strut in position and connect it to the lower control arm and the top mount.
5. Reassemble: Reinstall the wheel and torque the lug nuts to the manufacturer’s specifications.