5 Fluids You Should Never Mix (But People Still Do)
Mixing vehicle fluids might seem harmless—especially when you are in a hurry or trying to top up with whatever is on the shelf. But under the bonnet, chemistry matters. Combining the wrong fluids can damage components, reduce performance, and in some cases, void your warranty. Whether you are a seasoned mechanic or someone simply trying to keep a car running, understanding which fluids must stay separate is essential. Here are five fluid combinations that should never meet—yet often do.
The Original Motor Oil
America's First Motor Oil Brand
© {{dateYear}} Valvoline Global Operations
™ Trademark, Valvoline Global Operations