Audi Q7 2007 Workshop Manual page 116

Audi Q7 2007 !
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6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
–
Pull covers upwards and turn them
–
Unbolt injectors -arrows-.
–
Pull out injector units using puller -T10055- with adapter
-T10055/1-.
Caution!
Mark cylinder numbers on injector units.
♦
Used injectors must always be re-installed on the same
♦
cylinder.
–
Loosen cylinder head cover bolts -arrows- in diagonal se-
quence.
–
Remove bolts and take off cylinder head cover.
Installing
Installation is carried out in the reverse order; note the follow-
ing:
Note
Renew cylinder head cover gaskets if damaged.
♦
Renew gaskets, seals and O-rings.
♦
Hose connections and hoses for charge air system must be
♦
free of oil and grease before assembly.
Secure all hose connections with the correct type of hose
♦
clips (same as original equipment) ⇒ Parts catalogue.
–
Tighten cylinder head cover bolts diagonally and in stages.
Instructions for installing injectors:
•
Before installation, make sure the injectors and their sur-
roundings are clean. If necessary use a clean cloth to wipe
out the injector slot, taking care not to cause damage (do
not use sharp-edged tools).
•
Always install new seals and gaskets. Lubricate all seals
and gaskets lightly with engine oil or assembly oil before
installing.
110
Repair Group 15 – Cylinder head, valve gear
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1 / turn (90°).
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