If your transmission (tranny) is smoking, it is a critical mechanical failure that requires immediate attention. Smoke typically indicates that transmission fluid is leaking onto hot exhaust components or that the transmission is severely overheating due to internal friction. Common Causes of a "Smoking Tranny"
: Fluid that has turned dark brown or black and smells like burnt toast has lost its ability to lubricate, leading to rapid internal disintegration. Key Warning Signs smoking tranny
: The most common cause is transmission fluid dripping onto the hot exhaust pipe, which creates thick white or light grey smoke. If your transmission (tranny) is smoking, it is
: A blown front pump seal or torque converter seal can spray fluid directly onto hot engine or transmission parts. If your transmission (tranny) is smoking