Volkswagen CC 2012, Workshop Manual

Page: 200 / 222

7 High-pressure pump
⇒ “7.1 Assembly overview - high-pressure pump”, page 194
⇒ “7.2 Removing and installing high-pressure pump”, page 195
7.1 Assembly overview - high-pressure
pump
Note
♦
Never dismantle the high-pressure pump.
♦
If an injector is removed, the combustion chamber seal (Tef‐
lon) and O-ring must be renewed ⇒ page 170 .
♦
Note safety precautions before starting installation work
⇒ “3.1 Safety precautions during work on fuel system”,
page 4 .
♦
Observe rules for cleanliness
⇒ “4.1 Rules for cleanliness”, page 6 .
1 - High-pressure pipe
❑ 28 Nm
❑ Make sure that fuel pipe
does not touch other
components!
❑ Install free of tension.
❑ To install, first tighten
union nuts hand tight.
❑ Loosen and tighten with
socket - T10456-
❑ Before installing: first
tighten connection at
high-pressure pump to
40 Nm.
2 - Low-pressure hose
❑ Note installation marks
❑ Renew when removed
⇒ page 195
3 - Spring-type clip
❑ Note the position of the
spring clips
4 - Plunger
❑ Check for damage
❑ oiled and insert in the
cylinder head with its
guide in the correct po‐
sition ⇒ page 195
5 - O-ring
❑ From high-pressure
pump
❑ Renew
❑ Lubricate lightly with
clean engine oil
CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 06.2019
194
Rep. gr.24 - Mixture preparation - injection