Overview - Charge Air Hose Connections

• The hose connections as well as air duct pipes and hoses must be free of oil and grease before installing.
• Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information.
• In order to be able to securely mount the air duct hoses on their connections, spray the bolts on the previously used screw-type clamps with rust remover before installing.

Tightening Specifications 

Fig 1: Air Guide Hose Clamps Sizes

Courtesy of AUDI OF AMERICA, LLC

1. Hose Clamp -a- = 13 mm wide: 5.5 Nm
2. Hose Clamp -b- = 9 mm wide: 3.4 Nm