Crankcase Ventilation Hose on Intake Manifold, USA Vehicles

WARNING: This page is about a different car, the 2024 Audi A8 Quattro, 2023 Audi A8 Quattro, and 2022 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Crankcase Ventilation Hose on Intake Manifold, Rest of World Vehicles

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of a violating emissions legislation on USA vehicles by the intake of leaked air.

- Do not open the hose connection on the crankcase ventilation.

The crankcase ventilation hose -2- must not be disconnected from the intake manifold -1- on USA vehicles.

The replacement part is supplied with the crankcase ventilation hose -2- connected to the intake manifold -1-. Refer to Electronic Parts Information (ETKA).