Vacuum pump for brake booster, removing and installing

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.

Removing

Fig 1: Identifying Front Engine Cover

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Remove front engine cover - arrows -.

Fig 2: Identifying Bolts & Air Duct

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Remove bolts - arrows -.
Remove air duct - 1 - and - 2 -.

Fig 3: Disconnecting Vacuum Hose At Vacuum Pump

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Disconnect vacuum hose - 1 - at vacuum pump.
Remove bolts - arrows - and remove vacuum pump.

Installing

Installation is in reverse order of removal, note the following:

NOTE:

Replace O-rings.
Secure all hose connections using hose clamps appropriate for the model type .

Fig 4: Positioning Vacuum Pump Coupling So That It Engages Symmetrical Groove Of Camshaft When Installing Vacuum Pump

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Position vacuum pump coupling - 1 - so that it engages symmetrical groove of camshaft - arrows - when installing vacuum pump.

Torque specifications

Component	Nm
Vacuum pump to cylinder head	9