how to fix grinding noise when braking Tesla Model 3 Highland (2024-present)

Solution

1. Preparation

• Tools Required:
  • Jack and jack stands
  • Lug wrench
  • Torque wrench
  • Brake cleaner
  • Wire brush or scraper
• Safety Warnings:
  • Ensure the vehicle is on a flat surface and in 'Park'.
  • Use wheel chocks to prevent movement.

2. Remove Wheel

• Loosen lug nuts slightly while the vehicle is on the ground.
• Raise the vehicle using the jack and securely place jack stands.
• Remove the wheel to access the brakes.

3. Inspect and Replace Brake Pads

• Sub-steps:
  1. Remove the caliper bolts using the appropriate socket.
  2. Carefully slide the caliper off the brake pad and rotor.
  3. Remove the old brake pads from the caliper bracket.
  4. Inspect the caliper for any damage or sticking.
  5. Install new brake pads, ensuring they are seated properly.
• Tools Required:
  • Socket set for caliper bolts
  • Brake pad spreader (if necessary)

4. Inspect and Replace Brake Rotors (if needed)

• Sub-steps:
  1. Inspect the rotors for grooves or significant wear.
  2. If replacing, remove the rotor by unscrewing the retaining screws (if applicable) or pulling it off.
  3. Clean the hub surface with brake cleaner.
  4. Install the new rotor, ensuring it fits securely.
• Tools Required:
  • Torque wrench for rotor screws

5. Reassemble and Test

• Reattach the caliper over the new brake pads.
• Tighten caliper bolts to the manufacturer's torque specifications.
• Reinstall the wheel and hand-tighten the lug nuts.
• Lower the vehicle and fully tighten the lug nuts in a crisscross pattern.
• Pump the brake pedal a few times to ensure proper pad seating.