Do the various "clutches in a bottle" additives do anything for an old or worn out transmission? Is adding a transmission additive to your transmission fluid worth it? Well, let's talk about it.

Transmission additives for automatic cars are on store shelves everywhere. Are they even worth your money, or are you better off without them?

If your transmission is fine, or is just acting a little weird, and you're worried about keeping it working correctly, you don't need a transmission additive.