how to fix a leaking strut on Tesla Model S Plaid/Refresh (2021-present)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

639 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

Learn how to diagnose and fix a leaking strut on Tesla Model S Plaid/Refresh. Step-by-step guide with diagnostic procedures 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.
•Allow the vehicle's suspension to settle before testing to avoid injury.

Symptoms

•Visible fluid leaking from the strut assembly
•Reduced ride comfort and handling performance
•Unusual noises during driving, such as banging or clunking
•Vehicle may sag on one side
•Warning message or indicator on the dashboard related to suspension

Diagnostic Steps

1
Inspect the strut visually for any fluid leakage or damage.
2
Check the ride height of the vehicle to determine if it is uneven.
3
Use an OBD-II scanner to check for any suspension-related error codes.
4
Test the strut's compression by pressing down on the vehicle's corner to assess rebound.
5
Examine surrounding components for damage or wear that could contribute to strut failure.

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
•Wrench set
•Spring compressor
•Floor jack
•Jack stands

Parts Required

•Replacement strut
•New strut mount (if necessary)
•Suspension bolts (if damaged)

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Diagnostic Steps

1
Inspect the strut visually for any fluid leakage or damage.
2
Check the ride height of the vehicle to determine if it is uneven.
3
Use an OBD-II scanner to check for any suspension-related error codes.
4
Test the strut's compression by pressing down on the vehicle's corner to assess rebound.
5
Examine surrounding components for damage or wear that could contribute to strut failure.

Solution

1. Preparation

Gather necessary tools and parts before starting the repair.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the battery by removing the negative terminal to avoid any electrical issues.

2. Remove the Wheel

Tools Required: Socket set, torque wrench
Sub-steps:
1. Loosen the lug nuts on the affected wheel while the vehicle is still on the ground.
2. Lift the vehicle using a floor jack and secure it on jack stands.
3. Remove the lug nuts completely and take off the wheel.

3. Remove the Old Strut

Tools Required: Socket set, wrench set, spring compressor
Sub-steps:
1. Disconnect any electrical connections and sensor wires attached to the strut.
2. Remove the bolts securing the strut to the lower control arm.
3. Use a spring compressor to safely compress the coil spring if applicable.
4. Remove the top strut mount bolts under the hood.
5. Carefully extract the strut assembly from the vehicle.

4. Install the New Strut

Tools Required: Torque wrench
Sub-steps:
1. Align the new strut in position and insert it into the strut tower.
2. Reattach the top strut mount bolts and tighten them to the manufacturer's specifications (usually around 30-40 ft-lbs).
3. Reconnect the lower control arm to the strut and tighten the bolts to the specified torque (typically 50-65 ft-lbs).
4. Reconnect any electrical connections or sensor wires.

5. Reassemble the Wheel

Tools Required: Torque wrench
Sub-steps:
1. Reinstall the wheel and hand-tighten the lug nuts.
2. Lower the vehicle off the jack stands using the floor jack.
3. Once on the ground, torque the lug nuts to the manufacturer’s specifications (usually 100-110 ft-lbs).

6. Final Checks

Tools Required: OBD-II scanner (optional)
Sub-steps:
1. Reconnect the battery by attaching the negative terminal.
2. Start the vehicle and check for any warning messages.
3. Perform a test drive to ensure proper operation and check for any abnormal noises.