WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Install the auxiliary water pump outlet hose (5) to the auxiliary water pump (3).
Connect the quick fitting (1) with the water outlet housing (2).
Install the auxiliary water pump outlet hose clamp (4).