Audi Workshop Service and Repair Manuals

The components for the secondary air system are located below the air duct between intake manifold and plenum chamber.

• 6 Nm
• Secondary air inlet valve N112
• 10Nm
• Large flat washer
• ◆ For all three bonded rubber mountings on the secondary air pump bracket
• Combination valve, left
• Gasket

• 10 Nm
• Secondary air pump with air cleaner fitted
• 10 Nm
• Gasket
• Combination valve, right
• Secondary air pump bracket
• ◆ Fitted to rear of intake manifold
• 10 Nm
• Screw-type clip
• Connecting pipe
• ◆ Between secondary air pump and combination valves

→ Fig.1    Location of secondary air inlet valve

-N112

• ◆ Secured to bracket below control units together with connector for exhaust gas temperature at rear right of intake manifold next to secondary air pump motor -item 3-.

→ Fig.2    Location of secondary air pump motor

-V101

• ◆ At rear left of intake manifold -item 4-.