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Does a Caliper Cover Affect Heat Dissipation?

3 Answers

PeytonLynn

07/29/25 1:09pm

A caliper cover affects the heat dissipation of the brake caliper. Below are detailed explanations about car caliper covers: 1. Impact of Installing a Caliper Cover: The cover impedes heat dissipation and compromises safety. During driving, it may even break or fall off. In some cases, after installing a larger piston brake caliper, the braking force might weaken. Essentially, a caliper cover serves only a decorative purpose without any practical function. 2. Installation Considerations: When installing a caliper cover, trimming is often required, and AB adhesive is used for fixing. If the AB adhesive is of poor quality or the bonding surface is not properly cleaned, the cover may easily detach.

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DiBeau

08/14/25 2:51am

I've run a modification shop and dealt with many owners who installed caliper covers. These things do affect heat dissipation, considering caliper temperatures can soar to several hundred degrees during braking. The metal cover traps heat like a quilt. Once, a customer came back from mountain driving, and when we removed the cover, the caliper was so hot you could fry an egg on it, with brake fluid starting to bubble. Especially in summer traffic with frequent braking, poor heat dissipation can accelerate brake pad wear. In my opinion, unless you're just driving leisurely in the city, even those covers with cooling vents can't handle aggressive driving. If you really want to enhance appearance, it's better to directly upgrade to high-performance calipers, which balance both cooling and performance.

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Declan

10/09/25 8:08am

Last track day I witnessed firsthand the heat dissipation issues with caliper covers. A friend installed flashy red covers on his beloved car, only to find the brake pedal feel turning soft after just two laps. When we stopped, the calipers were scalding hot to touch, but after removing the covers, everything returned to normal for the rest of the session. The reason is simple: OEM brakes rely on airflow for cooling, and plastic or metal covers block cold air circulation. It's like installing a heatsink on a computer but sealing off the vents - overheating is inevitable. This becomes particularly dangerous for modified cars with increased power, as insufficient cooling may lead to brake fade. My advice to average car owners: don't sacrifice safety for superficial aesthetics.

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