Fitment For Chrysler Pacifica 2017-2020 3.6L For Chrysler Town & Country 2012-2016 3.6L For Chrysler Voyager 2020 3.6L For Dodge Grand Caravan 2012-2020 3.6L For Ram C/V 2013-2015 3.6L For Volkswagen Routan 2012-2014 3.6L When to Replace Brake Calipers? Over time in normal driving conditions, the heat generated from the braking system can weaken and break down seals inside the calipers. They can become rusty, contaminated or dirty, and start to leak brake fluid if you don’t drive regularly. However, you should have your brakes checked immediately if you experience any of the following: .