If your brake calipers are in need of replacement, you may be wondering if you need to bleed your brakes after the caliper swap. The answer is no, you do not need to bleed your brakes after changing your brake calipers. This is because the calipers do not hold any brake fluid, so there is no need to bleed them.
If you are changing your brake calipers as part of a brake service, then you will need to bleed your brakes after the caliper swap. This is because when you change your brake pads, the old pads may have contaminated the brake fluid with debris and other particles. Bleeding your brakes will flush out the old, contaminated fluid and replace it with fresh, clean fluid.
If you are changing your brake calipers due to a leak, you will also need to bleed your brakes. This is because when your calipers leak, brake fluid can become contaminated with air bubbles. These air bubbles can cause your brakes to feel