expand TAD
-
Thermactor air direct suction
-
Thermactor air diverter solenoid
-
Thermo air divert solenoid
-
Thermo auto diverter system
TAD stands for Thermactor Air Diverter solenoid, a component in vehicle emissions control systems that directs air flow for reducing pollutants. It's part of Ford's Thermactor air injection system used in some engines.
In automotive terminology (particularly older Ford emissions-control systems), TAD stands for Thermactor Air Diverter (solenoid) — a component of the Thermactor secondary air injection system that diverts air flow to control emissions during different engine operating conditions (e.g., diverting away from the exhaust during deceleration to prevent backfire). The other options are near-miss variations on the same theme but don't match the standard expansion.