Detaching Camshaft Timing Chains From Camshafts - Audi A8 2003 Workshop Manual

Audi A8 2003 ➤
8-cylinder TDI engine (4.0 ltr. 4-valve common rail), mechanics - Edition 12.2013
– Apply adapter - T40061- to the heads of the loosened bolts.
– Turn camshaft slightly backwards and forwards with adapter -
T40061- until locking pin - T40060- can be inserted.
• The side pin -arrow- on the locking pin - T40060- must be in
line with the imaginary line between the locking pin and the
centre of the camshaft.
– With adapter - T40061- and locking pin - T40060- still in posi‐
tion, tighten bolts on sprocket to approx. 5 Nm.
– Remove locking pin - T40060- and adapter - T40061- .
– Tighten bolts on sprocket to final torque.
– Repeat this procedure on the other cylinder bank if necessary.
– Remove locking pin - 3242- .
– Check valve timing once again
Perform further installation in reverse order, paying attention to
the following:
– Screw plug -arrow- for TDC mark into top section of sump with
a new seal.
– Install timing chain covers
– Install drive plate ⇒ page 65
– Bolt gearbox to engine and install engine/gearbox assembly
⇒ page 35 .
– Fill with engine oil and check oil level ⇒ Maintenance ; Booklet
404 .
Tightening torques
Component
Camshaft sprocket to camshaft
Chain tensioner to cylinder head
Screw plug in top section of sump
2.4

Detaching camshaft timing chains from camshafts

106
Rep. gr.15 - Cylinder head, valve gear
⇒ page 104 .
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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.
⇒ page 93 .
.
Nm
24
10
35