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
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
WARNING
The fuel system is pressurised.
Danger of injury caused by fuel spray.
♦ Wear protective goggles.
♦ Wear protective gloves.
♦ To release pressure, wrap a clean cloth around the con‐
nection and carefully loosen the connection.
– Open both fuel pipes -arrows-.
– Unscrew 2 bolts -arrows-.
– Carefully pull out fuel high-pressure pump. Under certain cir‐
cumstances, the roller tappet may become stuck in the cylin‐
der head.
Installing
Note
♦ Roller tappet must be at bottom dead centre to enable high-
pressure pump to be installed.
♦ The connection for fuel supply line (high-pressure side) must
be renewed. See assembly overview for high pressure pump
⇒ page 490 .
♦ Specified torques ⇒ page 490
– Renew O-ring for high-pressure pump.
– Insert roller tappet in vacuum pump (first check roller tappet
for damage).
– Turn crankshaft until roller tappet is at bottom dead centre.
– Insert high pressure pump in vacuum pump.
– Tighten bolts hand-tight.
– Renew union on high-pressure pump.
– Now tighten bolts diagonally to required torque.
– Tighten union nut on fuel supply pipe hand-tight, »align stress-
free« and then tighten.
– Re-connect electrical connector -2- for fuel pressure regulat‐
ing valve - N276- .
– Put back fuse if it has been removed.
– Install air filter housing ⇒ page 467 .
– Start engine and check fuel system for leaks.
– Fit engine cover panel ⇒ page 141 .
492
Rep. gr.24 - Mixture preparation - injection
2024 VW Passat Owner's Manual
VW Passat B7 Service & Repair Manual
VW Passat B6 Service & Repair Manual
