Audi Workshop Service and Repair Manuals > A3 Mk2 > Power unit | 6-cylinder injection engine (3.2 ltr. 4-valve), mechanics | Exhaust system | Servicing secondary air system | Removing and installing combination valve for secondary air system (right-side)

Removing and installing combination valve for secondary air system (right-side) - engine code CBRA

Removing

–	Disconnect vacuum hoses -1, 2, 4- at rear of intake manifold and move hoses clear.

–	Unbolt hose bracket from intake manifold -arrows- and move clear to rear, with hoses attached.

Note

Disregard -item 3-.

–	Remove bolts -arrows- and detach bracket -1- for heat shield.

Note

For illustration purposes, the installation position is shown from the rear and with the engine removed.

–	Disconnect vacuum hose -arrow-.

–	Remove bolt -1- and detach combination valve for secondary air system (right-side) from secondary air hoses -2- and -3-.

Note

Disregard -item 4-.

Installing

Installation is carried out in the reverse order; note the following:

Note

t	Renew seals and/or gaskets.

t	Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue.

–	Install bracket for heat shield → Chapter.

Tightening torque

Component	Nm
Combination valve for secondary air to system to connection	9

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