Audi Q7 2007
!
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
2 Servicing work on timing chain end
81
6
–
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
⇒
page 79
.
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
⇒
page 60
.
–
Install coolant pipe (rear right)
⇒
page 181
.
–
Install exhauster pump
⇒
page 52
.
–
Install starter catalytic converter
⇒
page 204
.
–
Fill cooling system
⇒
page 162
.
Tightening torques
Component
Nm
Chain tensioner to cylinder head
5 + 90
°
1)2)
Camshaft sprocket to camshaft
24
Screw plug in top section of sump
35
•
1)
Renew bolts.
•
2)
90
°
= one quarter turn.
更多资料请访问深度汽车论坛 http://shenduauto.com/ 客服QQ：1398556747 电话：18218750259