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Should you replace caliper if rubber seal is torn?

Yes, the caliper should be replaced if the rubber seal is torn because the torn seal can cause brake fluid leaks and reduce braking performance. Here's why it is important to replace a caliper with a torn rubber seal:

1. Brake Fluid Leakage: A torn rubber seal can lead to the leakage of brake fluid. Brake fluid helps in transmitting force from the brake pedal to the brake calipers. If the brake fluid leaks, the braking system might not work properly, which could compromise the safety of the vehicle and its passengers.

2. Reduced Braking Performance: Brake fluid leaks caused by a torn rubber seal can lead to lower brake fluid levels in the system. As the fluid level decreases, air may enter the system, causing a condition called brake fluid aeration. Aerated brake fluid can reduce the system's hydraulic efficiency, resulting in reduced braking power.

3. Damage to Other Brake Components: A torn rubber seal can also allow dirt and debris to enter the caliper, which can damage other components of the braking system. The ingress of contaminants may cause the brake pistons to stick or malfunction, affecting the overall braking performance.

For these reasons, it is essential to replace the caliper if the rubber seal is torn. A damaged caliper can jeopardize your safety on the road, and it's important to ensure your vehicle's braking system is in good working condition to avoid potential accidents. Seek assistance from a professional mechanic or refer to your vehicle's repair manual for proper caliper replacement procedures.