change the thermostat?

You will need to drain the cooling system before you begin. Here is a guide that will show you what you are in for when doing the job.

https://www.2carpros.com/articles/replace-thermostat

Here are diagrams to show you what it will be like for your car there is both engine in case someone needs them (below) Please let us know if you need anything else to get the problem fixed.

Cheers, Ken

need to change thermostat, don't know exact location and what to remove?

Here is a guide to walk you through the steps with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/replace-thermostat

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

I need to know where to find the thermostat.

The thermostat is within the thermostat housing. Refer to diagram according to your engine specifications. Check out the diagrams (Below). Please let us know what happens.