Audi Q7 2007 Workshop Manual page 130

Audi Q7 2007 !
6
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
–
Loosen central bolt -1- for toothed belt drive sprocket ap-
prox. 2 turns using counterhold tool -3036-.
–
Use puller -T10320- to pull off toothed belt drive sprocket.
Continuation for both sides:
–
Remove cylinder head cover (left or right)
–
Unscrew retaining frame bolts and nuts in the sequence
-18 ... 1-.
Note
Make sure you do not damage roller rocker fingers and com-
pensation elements when removing camshafts.
–
Carefully remove retaining frame and camshafts.
Installing
Caution!
The camshafts MUST be installed using the camshaft insert
tool -T40094- as described in the following, as the thrust
bearings in the retaining frame would otherwise be de-
stroyed. The cylinder head would then have to be renewed.
WARNING!
Wear safety goggles.
–
Remove sealant residue from cylinder head and retaining
frame using a rotating plastic brush or similar.
Caution!
Make sure that no sealant residue gets into the cylinder head
or the bearings.
124
Repair Group 15 – Cylinder head, valve gear
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