Audi Q7 2007 Workshop Manual page 222

Audi Q7 2007 !
6
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
–
Detach coolant hose -arrow- at coolant expansion tank.
–
Remove bolts -2- and -3-.
–
Detach air pipe from hoses -1- and -4- and remove pipe
downwards.
–
Unscrew bolts -1 ... 4- and remove intermediate pipe.
Note
Shown in illustration with engine removed.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
Note
Renew seals and gaskets.
–
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
–
Fill cooling system
Tightening torques
216
Repair Group 26 – Exhaust system
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⇒ page 162.