Taste - Tranny

Do this while the engine is warm and idling.

This indicates coolant has leaked into the transmission. tranny taste

Checking your transmission fluid is a quick way to gauge your vehicle's health. While it shouldn't have a "taste," its smell and appearance tell you everything you need to know. The "Taste" Test (Visual and Olfactory) Do this while the engine is warm and idling

Fresh fluid provides the right friction for gears. tranny taste

Dark brown or black fluid with a acrid smell means it's overheating.

It whisks heat away from sensitive internal components.

If you feel metal shavings, internal parts are wearing down. Why Fluid Health Matters