Audi Q7 2007 Workshop Manual page 78

Audi Q7 2007 !
6
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
–
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 insert-
ed.
•
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 po-
sition, 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 neces-
sary.
–
Remove locking pin -3242-.
–
Check valve timing once again
Remaining installation steps are carried out in reverse se-
quence; note the following:
–
Screw plug -arrow- for "TDC" mark into top section of
sump with a new seal.
–
Install timing chain covers
Tightening torques
Component
Chain tensioner to cylinder head
Camshaft sprocket to camshaft
Screw plug in top section of sump
•
1) Renew bolts.
•
2) 90° = one quarter turn.
72
Repair Group 13 – Crankshaft group
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70.
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60.
Nm
5 + 90° 1)2)
24
35