Audi A8 2003 Workshop Manual page 257

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
1 - Air hose
❑ From air cleaner
❑ Must be free of oil and
grease when installing
2 - Heating element for crank‐
case breather - N79-
❑ Installation position: ar‐
row on housing points to
air intake hose
3 - Turbocharger
❑ Removing and instal‐
ling: left-side
⇒ page 252 ; right-side
⇒ page 258
4 - Seal
❑ Renew
5 - Threaded connection, 28
Nm
6 - Coolant pipe
❑ Tighten union nut to 25
Nm
7 - 9 Nm
8 - Screw plug, 15 Nm
9 - Seal
❑ Renew
10 - Banjo bolt, 25 Nm
11 - Seals
❑ Renew
12 - Oil supply line
❑ From cylinder block
13 - Banjo bolt, 15 Nm
14 - Seals
❑ Renew
15 - O-ring
❑ Renew
16 - 9 Nm
17 - Exhaust manifold
❑ Removing and installing: left-side
1
18 - 20 Nm + / 4 turn (90°) further
❑ Renew
❑ Coat with high-temperature paste; for high-temperature paste refer to ⇒ Electronic parts catalogue
19 - Gasket
❑ Renew
20 - Exhaust gas temperature sender
❑ Exhaust gas temperature sender 1 for bank 2 - G236- (left-side), exhaust gas temperature sender 1 -
G235- (right-side)
❑ Removing and installing: left-side
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with respect to the correctness of information in this document. Copyright by AUDI AG.
⇒ page 312 ; right-side
⇒ page 281 , right-side
1. Servicing charge air system with turbocharger
Audi A8 2003 ➤
⇒ page 312
⇒ page 280
251