Fitment: 2010 Buick Allure 2010-2016 Buick Lacrosse 2011-2017 Buick Regal 2013-2019 Cadillac Xts 2014-2020 Chevrolet Impala 2013-2014 Chevrolet Malibu Notes: The radiator cooling fan is an integral part of your car that is responsible for cooling the radiator of your car. The radiator cooling fan does this by either pulling or pushing air into the radiator keeping the radiator temperatures within the safe levels. A damaged radiator cooling fan is a determining factor in preventing your car from overheating. Below are the materials that you need along with the instructions on how to replace a radiator cooling fan. Step 1: Locate the Radiator Cooling Fan .