Audi Q7 2007 Workshop Manual page 112

Audi Q7 2007 !
6
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
17 - Copper seal
" Renew
18 - Special bolt, 9 Nm
" Renew if damaged or leaking
" Tighten in stages and in diagonal sequence
19 - Cylinder head cover
" Removing and installing
20 - Gasket for cylinder head cover
" Renew if damaged or leaking
Tightening high-pressure pipe connections at rail elements
–
Tighten union nuts on high-pressure pipes finger-tight ini-
tially.
–
Ensure that high-pressure pipes are not under tension.
–
To tighten unions of high-pressure pipes, use torque
wrench -V.A.G 1331- and tool insert, 19 mm
-V.A.G 1331/5-.
•
Tightening torque: 25 Nm.
Tightening high-pressure pipes at injectors
–
Tighten union nuts on high-pressure pipes finger-tight ini-
tially.
–
Ensure that high-pressure pipes are not under tension.
–
To tighten unions of high-pressure pipes at injectors, use
torque wrench -V.A.G 1331- with ratchet -V.A.G 1331/1-
and socket, 17 mm -T40055-.
•
Tightening torque: 25 Nm.
106
Repair Group 15 – Cylinder head, valve gear
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