Audi A8 2003 Workshop Manual page 180

Audi A8 2003 ➤
8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
Special tools and workshop
equipment required
♦ U/J extension and socket,
10 mm - 3220-
♦ Valve stem seal puller -
3364-
♦ Valve stem seal fitting tool -
3365-
♦ Removal and installing de‐
vice for valve cotters - VAS
5161 A- with guide plate -
VAS 5161/24- and knurled
spacer ring -VAS
5161/24-1-
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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.
Procedure
– Remove camshafts
– Mark fitting location of roller rocker fingers for re-installation
and remove.
– Detach electrical connectors at glow plugs.
– Remove all glow plugs using U/J extension and socket, 10 mm
- 3220- .
– Fit guide plate -VAS 5161/24- onto cylinder head.
– Secure guide plate using knurled screws -VAS 5161/12- .
– Insert punch -VAS 5161/3- into guide plate and knock sticking
valve cotters loose using a plastic hammer.
174
Rep. gr.15 - Cylinder head, valve gear
⇒ page 167 .