1/30/2024 0 Comments Caliper pinThe piston struggles to slide smoothly, causing the brake caliper to stick. When the brake caliper piston’s protective rubber boot gets torn, debris can accumulate in the caliper. When the brakes are applied, brake fluid is sent to the caliper, causing the pistons to engage the brake pads. Seized-Up Brake Caliper Pistonīrake caliper pistons allow the brake pad to come into contact with the brake rotor. In extreme cases, the pins can seize up completely, causing the caliper to get stuck. When this protective boot wears out, debris or water can enter the slide pin bore, resulting in corrosion and friction between the bore and the caliper slide pin. Each slide pin is covered by a small protective boot designed to stop water and debris from entering. The caliper slide pin allows the caliper to engage and release freely. Usually, when mechanics aren’t careful enough, they can tear the slides when installing new brake pads.Īpplying grease and brake cleaner to rubber slides may help temporarily, but ideally, you should see a mechanic to have them checked. What causes these issues with the rubber slides? Torn rubber boots are more susceptible to debris entering them, which results in increased friction.The rubber boots (slides) attached to the bolts lack lubrication and can’t move.There are two ways the brake caliper bolts can cause a sticky caliper: Here are some brake issues that may result in a sticky brake caliper: 1. There are many components to your car’s brakes. Now that you know what brake caliper sticking is, let’s investigate why it happens. ![]() In that case, only the front brakes will experience caliper sticking. However, most economy cars usually have rear drum brakes instead of disc brakes (meaning the brakes don’t feature a rear caliper). This leads to constant friction and brake drag.īrake calipers can get stuck on both the front and rear wheels. What Does It Mean When You Have “ Brake Caliper Sticking ”?Ī “sticking brake caliper” is a brake caliper on a disc brake that fails to release, even when the brake pedal is not being applied.Įssentially, the brake pads are still in contact with the rotor while the wheel is turning.
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