1. Brake pads: The brake pads may be worn out and need to be replaced. Check the thickness of the brake pads and replace them if they are less than 1/4 inch thick.
2. Brake rotors: The brake rotors may be warped or damaged. Inspect the brake rotors for any signs of damage and replace them if necessary.
3. Wheel bearing: The wheel bearing may be worn out or damaged. Check for any play in the wheel bearing by grabbing the tire at the top and bottom and moving it back and forth. If there is any play, the wheel bearing will need to be replaced.
4. Driveline: The driveshaft or differential may be damaged. Inspect the driveshaft for any signs of damage and replace it if necessary. Check the differential fluid level and add fluid if necessary.
If you are unable to identify the source of the grinding noise, it is best to take your vehicle to a qualified mechanic for further inspection.
