CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
– Remove bolt -1- and take out air pipe downwards.
– Separate electrical connector -1- on throttle valve module -
J338- .
– Remove bolts -arrows- and detach throttle valve module -
J338- .
Installing:
Install in reverse order of removal, observing the following.
Specified torques ⇒ page 469 .
– Clean sealing surface for O-ring.
– Renew gasket, making sure that service lug is correctly posi‐
tioned on oil seal.
– If a new throttle valve module - J338- was installed, adapt the
engine control unit to throttle valve module - J338- ⇒ Vehicle
diagnostic tester “Guided Functions”.
2.15
Cleaning throttle valve module - J338-
Special tools and workshop equipment required
♦ Acetone
Note
♦ Observe rules for cleanliness ⇒ page 280 .
♦ When cleaning the throttle valve housing, take care not to
scratch it.
Procedure:
– Remove throttle valve module ⇒ page 488 .
– Open throttle valve by hand and block throttle valve in open
position with a suitable object -arrow-.
WARNING
Acetone is highly inflammable. Please comply with the acci‐
dent prevention regulations and the safety instructions when
handling highly inflammable fluids. Do not use compressed air
when cleaning the throttle valve. Wear protective goggles and
protective clothing to avoid injury and contact with the skin.
2. Injection system
489
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
– Thoroughly clean throttle valve housing, especially around
closed throttle valve, using commercially available acetone
and a cleaning brush.
– Wipe off throttle valve housing using a lint-free cloth.
– Allow acetone to evaporate completely and re-install throttle
valve module after cleaning.
– Adapt the engine control unit to throttle valve module ⇒ Vehicle
diagnostic tester “Guided Functions”.
2.16
Assembly overview - high-pressure
pump with fuel pressure regulating valve
- N276-
Note
Note that there are different versions of fuel high pressure pipe
connecting pieces.
1 - O-ring
❑ Renew
2 - Roller tappet
❑ May remain inserted in
vacuum pump after re‐
moval of high-pressure
pump, removable
3 - Fuel high pressure pipe
connecting piece (with inner
thread)
❑ 25 Nm
❑ Counter-hold connec‐
tion when loosening un‐
ion nut.
❑ If the union nut or the
connection is detached,
the connection must be
renewed.
4 - Fuel high pressure pipe
connecting piece (with outer
thread)
❑ 40 Nm
❑ Counter-hold connec‐
tion when loosening un‐
ion nut.
❑ If the union nut or the
connection is detached,
the connection must be
renewed.
5 - Union nut for fuel high pres‐
sure pipe
❑ Counter-hold connec‐
tion when loosening un‐
ion nut.
490
Rep. gr.24 - Mixture preparation - injection
2024 VW Passat Owner's Manual
VW Passat B7 Service & Repair Manual
VW Passat B6 Service & Repair Manual
