Compared to changing your engine's oil, transmission fluid can be a bit more tricky. Here's a guide of know how long the fluid can last and when to change it.

So just how different are the Dot 4 and Dot 4 formulas for brake fluid? Let's take a look at the chemical composition of these components to find out.

DOT 5 fluid is silicone-based and non-hygroscopic, and it should not be used in DOT 3 or DOT 4 systems or mixed with those fluids. DOT 5 fluid is usually purple to distinguish it from the amber ...

Although Type F fluid has rust inhibitors and does a good job protecting older Ford transmissions, its low viscosity means it should never be used in newer transmissions that call for Dexron ...