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.
When you step on the brake pedal, hydraulic fluid rushes to each brake to apply the pressure that slows your vehicle. Over time the fluid can become compromised by moisture and other contaminants and brake performance can suffer.