My 95 mazda protege is overheating so I changed the thermostat and drove it 30 miles and no problem then parked it . let it sit overnight then drove it 5 miles started overheating again

Hello, jkorthals633 and thank you for asking your question on Fixya!

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 1995 Mazda Protege, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people in your exact situation.
How to diagnose an overheating 1995 Mazda Protege
Pay attention to leaks, properly filling the system, also the block test part of the instructions.

Get more great tips and tricks from a professional about your vehicle from: twitter.com/acoates23234
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