How to Replace the 2017 Hyundai Elantra Thermostat Replacing the thermostat in a 2017 Hyundai Elantra is a relatively straightforward process that can be completed in about an hour. Before beginning, it is important to ensure that the engine has cooled down completely and to gather all of the necessary tools and supplies. Tools and Supplies Needed: – Replacement thermostat – Socket wrench set – Flathead screwdriver – Pliers – Coolant (if needed) Instructions: 1. Disconnect the negative battery cable …
