1994 Saturn SL2 ENGINE THERMOSTAT

The thermostat on this engine is in the lower radiator hose.

Here is a guide that will talk about how they work which is good info to help explain possible issues:

https://www.2carpros.com/articles/how-an-engine-thermostat-works

If you want to replace it, please follow the process below for instructions on how to replace them.

Please let me know if there are other questions.

Thanks