First, you need to remove the air cleaner outlet resonator, disconnect the electrical connector from the secondary air injection (AIR) reaction solenoid valve, and disconnect the AIR pump air outlet pipe from the AIR solenoid valve. Then, please remove the nut securing the transmission fluid level indicator tube to the AIR solenoid valve, and remove the transmission fluid level indicator tube from the AIR solenoid valve stud. Finally, you should remove the 2 AIR solenoid valve studs, and remove the AIR solenoid valve and the gasket from the engine.