Audi Q7 2007 Workshop Manual page 74

Audi Q7 2007 !
6
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
–
Press guide rail of chain tensioner for timing chain (right-
side) in direction of -arrow- and lock chain tensioner by in-
serting a 3.3 mm ∅ drill bit -item 1-.
–
Mark running direction of timing chain (right-side) with
paint.
–
Unscrew bolts -1- from chain tensioner and -2- from cam-
shaft sprocket.
–
Take off camshaft sprocket, chain tensioner and timing
chain (right-side).
Installing
•
Crankshaft -1- locked in "TDC" position with locking pin
-3242-.
•
Drive chain for valve gear installed
Note
Renew seal.
♦
Renew the bolts tightened with specified tightening angle.
♦
Caution!
The crankshaft must not be at "TDC" at any cylinder when
the camshafts are turned. Otherwise, there is a risk of dam-
age to valves and piston crowns.
–
Check that camshafts on both cylinder heads are posi-
tioned at "TDC".
•
It should be possible to lock camshafts with locking pins
-T40060-.
•
The side pin -arrow- in each locking pin -T40060- must be
in line with the imaginary line between the locking pin and
the centre of the camshaft.
Cylinder bank 1 (right-side):
68
Repair Group 13 – Crankshaft group
更多资料请访问深度汽车论坛 http://shenduauto.com/ 客服QQ：1398556747 电话：18218750259
⇒ page 83