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– Undo bolts of fuel rail for cylinders 2, 4, and 6 -arrows-.
– Carefully pull fuel rail off injectors.
– Unscrew securing bolts for lower part of intake manifold/cyl‐
inder head -arrows- using socket Torx T30 - T10347- .
– Remove lower part of intake manifold.
Note
Block off intake ports in cylinder head with a clean cloth.
Installing:
Installation is carried out in the reverse order. When installing,
note the following:
– Before installing fuel rail, always renew injector O-ring, support
washer, spring element and combustion chamber seal
⇒ page 225 .
– Renew O-rings between injector and fuel rail and moisten
slightly with clean engine oil.
– Fit lower part of intake manifold with a new gasket.
– Set fuel rail and evenly press onto injectors.
Caution
The injectors must not be pulled into their seat with the fuel rail
bolts. Otherwise the spring element will be damaged.
– Fit all intake manifold and fuel rail securing bolts by hand.
Note
♦
Tighten fuel rail securing bolts on cylinder head evenly from
inside to outside.
♦
Then tighten securing bolts for lower part of intake manifold/
cylinder head.
Touareg 2010 ➤ , Touareg 2015 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 12.2019
4. Intake manifold 241