Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
1 Removing and installing parts of exhaust system
213
6
– Remove bolts -1 … 8- and remove exhaust manifold.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
♦ Renew gaskets and self-locking nuts.
♦ Hose connections and hoses for charge air system must be
free of oil and grease before assembly.
♦ Secure all hose connections with the correct type of hose
clips (same as original equipment) ⇒ Parts catalogue.
– 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
/
4
turn) further using a rigid wrench.
Tightening torques
1.8 Removing and installing intermediate pipe
(left-side)
Removing
– Remove starter catalytic converter ⇒ page 204.
– Take electrical connector -arrow- for engine speed sender
-G28- out of bracket and unplug it.
Component Nm
Exhaust manifold to cylinder head
25
1)2)
Intermediate pipe to exhaust manifold 30 + 90°
1)2)3)
Air pipe to: bracket 9
engine lifting eye 9
Hose clips (13 mm wide) 5.5
•
1)
Renew bolts.
•
2)
90° = one quarter turn.
•
3)
Coat with high-temperature paste; refer to ⇒ Parts
catalogue.
Note
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