Hose connections with connection couplings, assembly

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Connector coupling sealing ring can be damaged if securing clamp is in locked position when installing. This would result in a leak. Follow assembly instructions.

Removing:

Fig 1: Identifying Hose/Tube Retaining Tabs

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Release connector coupling by pulling locking clip - arrow -. Separate hose/tube without assistance from tools.

Installing

When replacing sealing ring, lay ring in charge air hose groove. Ensure sealing ring sits completely in groove all the way around and is not turned.
Oil sealing surfaces and sealing ring.

Fig 2: Securing Clip Into Release & Lock Position

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Bring securing clip into release position - 1 -.
Slide charge air hose into clutch as far as stop.
Bring securing clip into lock position - 2 - and then press charge air hose back again.
Check for correct seating and proper locking of connector by pulling on hose.