Sidekick 4WD L4-1590cc 1.6L SOHC 0 TBI 8V (1990)
Thermostatic Air Cleaner Vacuum Motor: Description and Operation
This system, consisting of an Air Control Actuator (ACA) and a thermo sensor (Thermo Valve), controls the temperature of the intake air by mixing
preheated air and cool air to improve fuel vaporization and engine warm-up operation. The thermo sensor senses the inside temperature of the air cleaner
and regulates the vacuum applied to the air control actuator, thus controlling the damper position.
