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
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
❑ If the union nut or the
connection is detached, the connection must be renewed.
❑ Specified torques with installed connection at position 3: 18 Nm
❑ Specified torques with installed connection at position 4: 27 Nm
6 - Fuel pressurisation line from fuel tank
7 - Bolts for high-pressure pump
❑ Renew
❑ M6 thread = 8 Nm + 90°
❑ M8 thread = 20 Nm.
8 - High-pressure pump
❑ With fuel pressure regulating valve - N276- .
❑ When installing the high-pressure pump, ensure that no dirt enters the fuel system
❑ Install fuel line to fuel rail without tension
9 - Fuel pressure regulating valve - N276-
❑ Part of the high-pressure pump
2.17
Removing and installing high-pressure
pump
Note
♦ The high-pressure pump should be removed and installed only
when the engine is cold.
♦ When installing the high-pressure pump, it is essential to en‐
sure that no dirt enters the fuel system.
♦ Catch escaping fuel with a cleaning cloth.
♦ The O-ring and the union must always be renewed.
♦ Always ensure that high-pressure fuel lines are free of stress
when installed.
Removing
– Remove engine cover panel ⇒ page 141 .
– Remove air filter housing ⇒ page 467 .
– Pull electrical connector -2- from fuel pressure regulating valve
- N276- .
2. Injection system
491
2024 VW Passat Owner's Manual
VW Passat B7 Service & Repair Manual
VW Passat B6 Service & Repair Manual
