Audi Q7 2007 Workshop Manual page 220

Audi Q7 2007 !
6
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
–
Unscrew nuts -arrows- and detach bracket for connector
from engine support (left-side).
–
Unscrew bolts -1 ... 3- and remove oil return pipe.
Note
Shown in illustration with engine removed and intermediate
pipe detached.
–
Unbolt intermediate pipe -arrows-.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
Note
Renew gaskets, seals and O-rings.
–
Tighten bolts securing intermediate pipe to exhaust mani-
fold as follows:
1. Tighten with torque wrench initially to 10 Nm.
2. Tighten with torque wrench to 30 Nm.
3. Turn 90° ( 1 / turn) further using a rigid wrench.
4
–
Install starter catalytic converter
Tightening torques
214
Repair Group 26 – Exhaust system
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⇒ page 204.