Lower Intake Manifold Assembly Overview - Audi A6 Repair Manual

Audi A6 2005 ➤
Fuel Injection and Ignition - Edition 03.2008
2.4

Lower Intake Manifold Assembly Overview

1 - Intake manifold, lower
❑ Removing and installing
⇒ page 32 .
❑ After installation, adapt
both intake manifold
runner position sensors
in operating mode "Gui‐
ded Fault-Finding" in
"Adapting intake mani‐
fold runner position sen‐
sor"
2 - Fuel rail
3 - Fuel pressure sensor -
G247-
4 - High-pressure line
WARNING
♦ Before opening high
pressure components of
the fuel injection system,
pressure must be re‐
lieved to residual pres‐
sure ⇒ page 2 .
♦ Then wrap a clean rag
around the connection
and relieve residual pres‐
sure by carefully loosen‐
ing the connection.
❑ Do not change bend
shape
❑ Tighten high-pressure
lines ⇒ page 34 .
5 - 10 Nm
6 - Sleeve
7 - 10 Nm
8 - 2.5 Nm
9 - 10 Nm
10 - Retaining bracket for fuel rail
11 - Vacuum actuator for intake manifold runner control
12 - Vacuum hose
❑ To Intake Manifold Runner Control (IMRC) valve -N316-
13 - 2.5 Nm
14 - Intake manifold runner position sensor
❑ Left Intake manifold runner position sensor 2 -G512- , right intake manifold runner position sensor -G336-
15 - 2.5 Nm
16 - Seal
❑ Replace if damaged
❑ Lift out with screwdriver to replace
❑ Press in by hand
18
Rep. Gr.24 - Fuel injection system
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