my Tesla Model S Plaid/Refresh (2021-present) makes a grinding noise when I brake

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

466 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 when braking in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always allow the brake components to cool before handling.
•Ensure the vehicle is securely supported on jack stands before working underneath.

Symptoms

•Grinding noise when applying brakes
•Vibration in the brake pedal
•Reduced braking efficiency
•Warning lights on the dashboard (e.g., brake system light)
•Unusual wear on brake pads or rotors

Diagnostic Steps

1
Inspect the brake pads for wear and proper installation.
2
Check the brake rotors for scoring, warping, or damage.
3
Examine brake calipers for sticking or malfunctioning components.
4
Scan the vehicle’s system for any error codes related to the braking system.
5
Check brake fluid level and condition.

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 wrench set
•Jack and jack stands
•Brake cleaner
•Torque wrench

Parts Required

•Brake pads
•Brake rotors (if necessary)

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Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Disconnect the negative battery terminal to prevent electrical issues.

2. Remove Wheel

Use a jack to lift the vehicle and secure it with jack stands.
Remove the lug nuts using a socket wrench and take off the wheel.

3. Inspect and Replace Brake Pads

Inspect Brake Pads:
- Remove the caliper bolts with a socket wrench.
- Carefully slide the caliper off the rotor.
- Check the brake pads for thickness; replace if they are worn down (less than 3mm).
Replace Brake Pads:
- If necessary, remove the old pads and install the new brake pads, ensuring they are properly seated.

4. Inspect and Replace Brake Rotors

Inspect Rotors:
- Check the rotor surface for any scoring or warping.
Replace Rotors:
- If damaged, remove the rotor by unscrewing the retaining screws and pulling it off the hub.
- Install the new rotor and tighten retaining screws to manufacturer specifications.

5. Reassemble and Test

Reinstall the caliper and secure it with bolts.
Replace the wheel and secure lug nuts to the specified torque.
Reconnect the battery terminal.
Lower the vehicle and remove jack stands.