why does my Tesla Model S Plaid/Refresh (2021-present) have a grinding noise from the wheels

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

477 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 grinding noise from wheels in Tesla Model S Plaid. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical components.
•Allow the vehicle to cool before inspecting brake components to avoid burns.

Symptoms

•Grinding noise when the vehicle is in motion
•Noise may increase with speed or during braking
•Possible vibrations felt through the steering wheel
•Decreased braking efficiency
•Uneven wear on tires

Diagnostic Steps

1
Inspect the brake components visually for wear or damage, including rotors, pads, and calipers.
2
Check for foreign objects lodged in the brake assembly or wheel areas.
3
Perform a road test to identify the conditions under which the noise occurs (e.g., braking, accelerating).
4
Inspect wheel bearings for signs of play or damage.
5
Examine the tire condition for uneven wear patterns or damage.

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
•Brake cleaner

Parts Required

•Brake pads
•Brake rotors
•Wheel bearings (if worn)

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Diagnostic Steps

1
Inspect the brake components visually for wear or damage, including rotors, pads, and calipers.
2
Check for foreign objects lodged in the brake assembly or wheel areas.
3
Perform a road test to identify the conditions under which the noise occurs (e.g., braking, accelerating).
4
Inspect wheel bearings for signs of play or damage.
5
Examine the tire condition for uneven wear patterns or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.

2. Raise Vehicle

Use a hydraulic jack to lift the vehicle.
Secure with jack stands for safety.

3. Remove Wheel

Use a socket set to remove lug nuts and take off the wheel.
Place the wheel in a safe location.

4. Inspect Brake Components

Check brake pads for thickness; replace if less than 3mm.
Inspect rotors for scoring or warping; replace if necessary.
Examine the caliper for proper function and signs of leaking brake fluid.

5. Check Wheel Bearings

Grasp the wheel at 12 and 6 o'clock positions and attempt to rock it. Any noticeable play indicates a worn bearing.
If necessary, remove the hub assembly and replace the bearings.

6. Reassemble

Reattach the wheel and hand-tighten the lug nuts.
Lower the vehicle and torque the lug nuts to the manufacturer’s specifications (usually around 100-110 ft-lbs for Tesla vehicles).

7. Test Drive

Conduct a test drive to confirm the noise has been resolved.
Monitor for any further issues.