: The primary enemy that turns red fluid into black "charcoal."
š : If you are experiencing shifting issues and see this in your fluid, your transmission likely requires a rebuild or replacement rather than a simple service.
In mechanical circles, "tranny charcoal" represents a difficult decision for car owners. tranny charcoal
: If the fluid looks like charcoal, mechanics often advise against a "flush," suggesting only a "drain and fill" or leaving it alone until the unit inevitably dies. Maintenance vs. Reality
The existence of this sediment is a sign of . : The primary enemy that turns red fluid
: Occurs when fluid breaks down over thousands of miles.
: The suspended particles (the "charcoal") provide the necessary friction for worn-out clutch plates to grab. Maintenance vs
: Internal parts grinding together create the metallic "glitter" seen in the sludge.