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Which Tech is correct? <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Contents[29 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R 37 0 R 38 0 R 39 0 R 40 0 R 41 0 R 42 0 R 43 0 R 44 0 R 45 0 R 46 0 R 47 0 R 48 0 R 49 0 R 50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 56 0 R 57 0 R 58 0 R 59 0 R 60 0 R 61 0 R 62 0 R]/Group<>/Annots[63 0 R 64 0 R 65 0 R]/Type/Page/Tabs/S>> If a caliper is replaced, generally the brake pads (on both ends of the axle) must be replaced and the rotors either resurfaced or replaced. This can cause irregular levels of noise, grip, and it will likely cause some pulling. See here for cross section drawings. The floating caliper applies the force through the pistons but the other half of the caliper body reacts this force to prevent the caliper from shooting off into oblivion. His numerous articles and write-ups are available at our knowledge base. Nonetheless, high-performance cars are still a major market for better and more powerful brakes, and variations on the basic brake caliper design help these brakes provide superior stopping power. Follow Timothy Zahl on Facebook and Twitter to be up to date with his latest guides and articles. Some common features found in performance brake calipers include: All of these technologies can increase the braking power provided by a caliper. When the brakes are released, the floating caliper self-centers itself over the middle of the rotor. Tech A says that a steel piston should have a greater piston-to-caliper bore clearance than a phenolic piston because the steel piston will expand when the brake fluid temperature increases during normal braking. This is to ensure that no one can subscribe you by mistake. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page. This is usually caused by dirt or rust. Remove the lug nuts and wheel by hand. Slide the dust seal over the piston and into its groove in the caliper. In this article, we'll look at what causes brake caliper wear, and we'll help you spot the signs of trouble. 5 0 obj Brake pad material, tires, wheels, rotors, etc all play their part. The job of the caliper is to slow the car's wheels by creating friction with the rotors. A special feature here is that the brake calliper can be moved by means of guide bolts. Figure 3: Sliding surfaces are thinly coated with a suitable silicone-based lubricant, Figure 4: Damaged rubber bush as a result of material expansion and shearing.