Check brake pad thickness and replace worn pads
Inspect rotors for glazing, grooves, or uneven wear
Resurface or replace damaged rotors
Clean brake components with brake cleaner
Remove rust and debris from calipers, brackets, and pad contact points
Apply brake grease to pad backing plates and contact points
Install anti-squeal shims if missing or damaged
Tighten loose brake hardware
Replace worn or sticking caliper hardware
Lubricate caliper slide pins
Bed in new pads and rotors properly
Use the correct brake pad material for your vehicle
Check for contamination from oil, grease, or brake fluid
Replace contaminated pads and clean affected parts
Inspect for warped rotors and correct as needed
Verify proper installation of all brake components
Have the brake system inspected by a mechanic if squealing continues