Comparison of Wound Certification Programs*. Updated 6/8/2006. *References: www.wocncb.org; www.aawm.org; www.wcei.net; http://www.nawccb.org/certification.html. Provider. Wound, Ostomy and Continence Nursing. Certification Board. Wound Care Education Institute American Academy of Wound Management.
The metal rotor that the brake pads squeeze together can sometimes vibrate, causing a squeaking noise. Luckily, there are several ways to fix this: 1  Use a milk spray, lotion or cream on the back of the pads [source: Allen].  Use sandpaper to sand off surface hardening of the brake pad/shoe surface.
Squealing brakes. Several things can cause this. If you hear squealing only during braking, especially light braking, it's probably caused by a vibration at the brake pads. Squealing doesn't affect your braking performance and, while it's annoying, it is usually nothing to worry about.It can happen even with new pads.If you hear a similar high-pitched squeal from the brakes while the car is moving but it stops when you step on the brake pedal, it can be a sign that your brake pads have worn down and need changing soon.everal things can cause this. If you hear squealing only during braking, especially light braking, it's probably caused by a vibration at the brake pads. Squealing doesn't affect your braking performance and, while it's annoying, it is usually nothing to worry about. It can happen even with new pads.