Audi Q7 2007
!
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
2 Servicing work on timing chain end
61
6
–
Insert sealing elements -2- and -5-
–
Apply beads of sealant -1- and -4- onto clean sealing sur-
faces of timing chain cover (bottom) as illustrated.
•
The grooves on the sealing surfaces must be completely
filled with sealant.
•
The bead of sealant must project 1.5 … 2.0 mm above the
sealing surface.
•
The beads of sealant round drillings -3- and -6- must be
1.5 … 2.0 mm thick
–
Check whether the two dowel sleeves are fitted in the cyl-
inder block; install if necessary.
–
Fit timing chain cover (bottom) and tighten bolts as fol-
lows:
–
Apply bead of sealant onto clean sealing surface of timing
chain cover (left-side) as illustrated.
•
The groove -1- on the sealing surface must be completely
filled with sealant.
•
The bead of sealant must project 1.5 … 2.0 mm above the
sealing surface.
–
Fit gasket -2-.
Stage
Tighten
I
–
Tighten bolts -1 … 9- to 5 Nm in diagonal se-
quence starting from inside and working out-
wards.
II
–
Tighten bolts -1 … 7- to 9 Nm in diagonal se-
quence starting from inside and working out-
wards.
III
–
Tighten bolts -8- and -9- to 22 Nm.
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