Volkswagen Amarok 2011, Workshop Manual

Page: 231 / 259

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2.15 Assembly overview - high-pressure
pump
WARNING
Fuel system is under high pressure! It is essential to reduce
fuel pressure before opening system. For procedure, please
see ⇒ page 161
1 - Roller tappet
❑ Can remain inserted in
vacuum pump after re‐
moval of high-pressure
pump
2 - O-ring
❑ Renew.
3 - High-pressure pump
❑ Fuel tank contains elec‐
tric fuel pump which
pumps fuel to mechani‐
cal high-pressure pump.
❑ When installing the
high-pressure pump, it
is essential to ensure
that no dirt enters the
fuel system.
❑ The fuel system must
not be under pressure
when installing the high-
pressure pump; proce‐
dure for reducing fuel
pressure ⇒ page 161
❑ Fuel lines must be free
of tension when instal‐
led.
❑ Removing and installing
⇒ page 226 .
4 - Fuel pressure regulating
valve -N276-
5 - Bore in vacuum pump for
high-pressure pump
6 - Injectors
❑ Renew O-ring and Tef‐
lon ring
❑ Check installation location is correct
❑ Removing and installing
⇒ page 217 .
7 - Hall sender -G40-
8 - Inlet camshaft control valve 1 -N205-
9 - Bolts for high-pressure pump
❑ 20 Nm
10 - Connecting piece for fuel supply line from fuel tank
11 - Connection for fuel supply line
❑ Renew.
Amarok 2011 ➤
4-cylinder injection engine (2.0 l direct injection engine, turbocharger) - Edition 02.2011
2. Injection system
225