>> B << Thermostat Housing Gasket/Thermostat Housing Installation
WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
Using the special tool guide (MD998412), install the thermostat housing while supporting the thermostat housing gasket.
Fig 1: Installing Thermostat Housing Using Special Tool Guide (MD998412)