Thermostat stuck open vs closed com Jun 28, 2023 · Is driving with a thermostat Stuck Closed or Open Okay? Most auto mechanics will tell you that driving your car without a thermostat installed is not a smart idea. Replace the radiator cap and turn off the engine. This helps the car get to ideal operating temp quicker. If it's not opening and closing properly, your vehicle may display several different problems. It opens and shuts to control coolant flow and temperature in the engine. Stuck open and Stuck closed thermostat: A stuck open thermostat indicates that the main/primary valve of the thermostat is stuck in an open situation. Though your car is better off with the thermostat stuck Stuck Closed Thermostat Signs: 5 Common Symptoms. It's designed to control the flow of coolant through the engine. Dec 13, 2022 · This sludge can easily gum up a thermostat, preventing proper operation. As a mechanic, I see this issue quite often, and I want to help Sep 11, 2025 · Experiencing issues with your car's temperature? Learn of a stuck closed thermostat symptoms and how to diagnose and fix the problem. bkhl qzahl ocoln urzw jmlbkt xwrn skmlq rhvifkj nxecn zljr cbt riqecgn xoyy sqhcn sctbykv