Audi Q7 2007 Workshop Manual

Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
2 Servicing work on timing chain end
83
6
2.10 Removing and installing drive chain for
valve gear
Special tools and workshop equipment required
♦ Drill bit, ∅ 3.3 mm
Removing
– Remove timing chain covers ⇒ page 59.
– Remove camshaft timing chains ⇒ page 65.
– Remove chain for oil pump and balance shaft ⇒ page 85.
– Press guide rail of chain tensioner for drive chain in direc-
tion of -arrow- and lock chain tensioner by inserting a
3.3 mm ∅ drill bit -item 4-.
– Mark running direction of chain with paint.
– Remove bolts -2- and -3- and detach chain sprockets to-
gether with drive chain and guide rail -1-.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
• Crankshaft -1- locked in “TDC” position with locking pin
-3242-.
– First install sprocket for camshaft timing chain (left-side)
-2-.
– Install guide rail -1- with drive chain fitted.
– Now install sprocket for camshaft timing chain (right-side)
-3-.
– Push guide rail of chain tensioner for drive chain in direc-
tion of -arrow- and pull drill bit -4- out of chain tensioner.
– Install chain for oil pump and balance shaft ⇒ page 85
– Install camshaft timing chains ⇒ page 65.
– Install timing chain covers ⇒ page 60.
Tightening torques
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Audi Q7 2007 Specifications

General

Brand	Audi
Model	Q7 2007
Category	Automobile
Language	English