Skoda Octavia NFL (2020-Present) has a grinding noise when braking what’s wrong

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a flat surface and engage the parking brake.
• Place wheel chocks behind the rear wheels for safety.

2. Remove Wheel

• Sub-steps:
  • Loosen the lug nuts on the affected wheel using a lug wrench.
  • Use a jack to lift the vehicle and secure it with jack stands.
  • Fully remove the lug nuts and take off the wheel.
• Tools Required: Lug wrench, jack, jack stands.

3. Inspect Brake Components

• Sub-steps:
  • Visually inspect the brake pads for wear; replace if less than 3mm thick.
  • Check the rotors for scoring or warping; measure thickness to ensure they meet specifications.
  • Inspect calipers for signs of leakage or damage; ensure they move freely.
• Tools Required: Caliper gauge, flashlight.

4. Replace Brake Pads and Rotors (if necessary)

• Sub-steps:
  • Remove the caliper bolts using a socket set and lift the caliper off the rotor.
  • Remove the old brake pads from the caliper bracket.
  • If rotors are damaged, remove the rotor by unscrewing the retaining screws (if applicable) and sliding it off the hub.
  • Install new rotors (if applicable) and torque to manufacturer's specifications.
  • Install new brake pads into the caliper bracket and compress the caliper piston if necessary.
  • Reattach the caliper and tighten bolts to manufacturer torque specifications.
• Tools Required: Socket set, torque wrench.

5. Reassemble and Test

• Sub-steps:
  • Reattach the wheel and hand-tighten the lug nuts.
  • Lower the vehicle from the jack stands and fully tighten the lug nuts in a star pattern to the specified torque.
  • Pump the brake pedal several times to seat the new pads.
• Tools Required: Torque wrench.