transmission-fluid leaks Archives - Transmission Digest
Coping with Capillary Action

Capillary action is defined as the movement of a liquid within the spaces of a porous material due to the forces of adhesion, cohesion and surface tension. A simple example would be dipping a paper towel into a glass of water and watching it climb up the towel. If the towel is long enough, eventually the force of gravity will be too great for the water to overcome.