my Volvo XC60 Second Generation (2018-2024) rear brakes are grinding, what's happening?

Solution

1. Preparation

• Tools Required: Socket set, jack stands, lug wrench, brake cleaner, torque wrench.
• Sub-steps:
  1. Park the vehicle on a level surface and engage the parking brake.
  2. Loosen the lug nuts on the rear wheels slightly but do not remove them.
  3. Use a jack to lift the rear of the vehicle and secure it with jack stands.
  4. Remove the rear wheels.

2. Remove Brake Components

• Sub-steps:
  1. Remove the caliper mounting bolts using a socket.
  2. Carefully slide the caliper off the rotor; support it with a bungee cord or hang it to avoid straining the brake line.
  3. Remove the old brake pads from the caliper bracket.
  4. Inspect the caliper for any signs of wear or damage; replace if necessary.

3. Inspect and Replace Brake Pads and Rotors

• Sub-steps:
  1. Measure the thickness of the brake pads; if they are below the manufacturer's minimum specification, replace them.
  2. Inspect the brake rotors for grooves or warping; replace them if necessary.
  3. If replacement is needed, remove the caliper bracket by unscrewing its mounting bolts.
  4. Clean the rotors with brake cleaner and install new pads and rotors according to manufacturer specifications.

4. Reassemble Brake Components

• Sub-steps:
  1. Reinstall the caliper bracket and tighten the bolts to the manufacturer's torque specifications.
  2. Slide the caliper back over the new brake pads and secure it with its mounting bolts.
  3. Reinstall the rear wheels and hand-tighten the lug nuts.

5. Final Checks

• Sub-steps:
  1. Lower the vehicle and tighten the lug nuts to the specified torque.
  2. Pump the brake pedal a few times to ensure the brake pads seat properly.
  3. Check the brake fluid level in the master cylinder and top off if necessary.