What are the two pipes connected to the 20 15 Jetta air cleaner cover and how to install them?

The two pipes connecting the 20 15 automatic Jetta to the air cleaner cover are the air inlet pipe and the oil return pipe. The installation method is as follows:

1. Remove the air cleaner cover, air inlet pipe and oil return pipe respectively.

2. Install the new air filter on the air filter cover, and pay attention to the direction and tightness.

3. Install the air inlet pipe and the oil return pipe back to their original positions respectively, and fix the buckles.

4. Check whether the installation is stable, and ensure that the two pipes are closely connected with the air cleaner cover, and there will be no air leakage.