: 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, 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" smoking tranny
Burning Smell Transmission: Can I Drive? Causes, Fixes ... - Auto Barn : A blown front pump seal or torque