“how do I know if my thermostat or water pump is bad?” It explains the main symptoms of a bad water pump or a bad thermostat.

If you’re wondering, how do I know if my thermostat or water pump is bad? You need to inspect the two units physically. Typically, the thermostat might be stuck open or stuck closed. To test a bad thermostat, monitor the reading on the temperature gauge. A Stuck opened thermostat prevents the engine from reaching the … Read moreHow Do I Know If My Thermostat or Water Pump Is Bad?