Can Jetta's throttle be disassembled?

Remove the connector between the air pipe and the air cleaner box, pliers, 2. Remove crankshaft ventilation pipes T20, 3. Disassemble the air filter box, break it by hand, and then you can clean the upper part of the throttle. If you want to clean it thoroughly, please remove the four screws and the throttle.

Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be burned to do work. It connects the air filter and the engine block, and is called the throat of the automobile engine.