Audi 2003 A8, Workshop Manual, Page: 65 / 252

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
– Apply torque wrench with ring spanner insert AF 16 - V.A.G
1332/14- to hexagon flats on tensioning roller and tension poly
V-belt to 70 Nm.
– At the same time tighten tensioning bolt -arrow-.
– Start engine and check that belt runs properly.
Tightening torques
♦
⇒ “1.1 Poly V-belt drive - exploded view”, page 55
1.3 Removing and installing vibration damp‐
er
Removing
– Drain off coolant
⇒ page 187 .
– Remove radiator ⇒ page 214 .
– Remove radiator cowl ⇒ page 220 .
– Slacken off 8 bolts -arrow- on vibration damper several turns
(counterhold with ring spanner on centre nut for alternator pul‐
ley).
Note
Before removing, mark direction of rotation of poly V-belt with
chalk or felt-tip pen. If the belt runs in the opposite direction when
it is refitted, this can cause breakage.
– Unscrew tensioning bolt -arrow- and remove poly V-belt.
– Remove vibration damper.
Installing
Installation is carried out in the reverse order; note the following:
Note
♦
Replace vibration damper bolts with new bolts of the correct
type (same as original equipment) ⇒ Electronic parts cata‐
logue .
♦ Apply locking fluid when installing non-self-locking bolts; for
locking fluid, refer to ⇒ Electronic parts catalogue .
• The vibration damper can only be fitted in one position (note
dowel sleeve).
Audi A8 2003 ➤
10-cylinder direct petrol injection engine (5.2 ltr. 4-valve), mechanics - Edition 10.2013
1. Cylinder block (pulley end)
59