Audi A8 2003 Workshop Manual page 73

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
– Adjust the inner part of oil seal extractor - T40019- so it is flush
with the outer part and lock in position with knurled screw.
– Lubricate threaded head of oil seal extractor, place it in posi‐
tion and screw it into oil seal as far as possible (applying firm
pressure).
– Loosen knurled screw and turn inner part against crankshaft
until the oil seal is pulled out.
– Clamp flats of oil seal extractor in vice.
– Remove oil seal with pliers.
– Clean running surface and sealing surface.
– Fit assembly aid -T40048/1- onto assembly sleeve -T40048/2-
and slide oil seal -1- onto assembly sleeve.
– Take off assembly aid.
– Fit assembly sleeve -T40048/2- on crankshaft and slide oil
seal -1- into sealing surface in engine.
Note
Leave assembly sleeve -T40048/2- in position on crankshaft for
pressing in seal.
– Apply press sleeve -T40048/3- to crankshaft using M8×55 mm
bolts -arrows-.
– Screw in bolts hand-tight to start with.
– Tighten bolts alternately,
onto stop.
Remaining installation steps are carried out in reverse sequence;
note the following:
– Install vibration damper
– Install poly V-belt ⇒ page 60
– After installing poly V-belt, torque down bolts
⇒ Item 19 (page 60)
wrench.
Tightening torques
Component
Bolts for compression
spring to:
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
1
/ 2 turn at a time, to press in oil seal
⇒ page 63 .
.
for compression spring using torque
Cylinder block
Tensioning lever
with respect to the correctness of information in this document. Copyright by AUDI AG.
Nm
22
22
Audi A8 2003 ➤
2. Servicing work on pulley end
67