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
211
6
–
Remove bolts -1 … 8- and remove exhaust manifold.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
♦
Renew gaskets, seals, O-rings and self-locking nuts.
♦
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.
–
Align exhaust system so it is free of stress
⇒
page 217
.
–
Check hydraulic fluid level of power steering
⇒
Rep. Gr. 48.
Tightening torques
1.7
Removing and installing exhaust manifold
(right-side)
Removing
–
Carefully pull engine cover panel off four retaining pins one
after the other -arrows-.
–
Drain off coolant
⇒
page 161
.
Component
Nm
Exhaust manifold to cylinder head
23
1)2)
Intermediate pipe to exhaust manifold
30 + 90
°
1)2)3)
Banjo bolt for pressure line to power steer-
ing pump
50
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
更多资料请访问深度汽车论坛 http://shenduauto.com/ 客服QQ：1398556747 电话：18218750259