Audi A6 - Lower Intake Manifold with Fuel Rail

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– Remove bolts -arrows- and remove intake manifold upper.
Note
Plug the intake ports of the cylinder head with clean rags.
Installing
Installation is in reverse order of removal, note the following:
Note
♦ Replace gaskets and O-rings.
♦ During installation, all cable ties must be reinstalled at the
same location.
♦ Secure all hose connections using hose clamps appropriate
for the model type ⇒ Parts catalog .
Tightening Specifications
Component Nm
Intake manifold upper-part to intake manifold
lower-part
6
1)
Hose clamps 9 mm wide 3
•
1)
Tighten diagonally in stages.
5.3 Lower Intake Manifold with Fuel Rail
Special tools and workshop equipment required
♦ Socket 14 mm -3150-
♦ Torque wrench -V.A.G 1331-
♦ Ratchet -V.A.G 1331/1-
♦ Open end wrench socket 17 mm -V.A.G 1331/2-
♦ SW 14 socket, open ring -V.A.G 1331/8-
♦ Socket -T40055-
♦ Hand vacuum pump -VAS 6213-
Removing
Note
The following removal and installation procedure is for the left in‐
take manifold, lower. The procedure for the other side is identical.
WARNING
♦ Fuel system is under high pressure! Before opening high
pressure components of the fuel injection system, pressure
must be relieved to residual pressure ⇒ page 2 .
♦ Then wrap a clean rag around the connection and relieve
residual pressure by carefully loosening the connection.
Audi A6 2005 ➤
Fuel Injection and Ignition - Edition 03.2008
32 Rep. Gr.24 - Fuel injection system