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7 High-pressure pump
⇒ “7.1 Assembly overview - high-pressure pump”, page 248
⇒ “7.2 Removing and installing high-pressure pump”, page 249
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 225 .
♦
Note safety precautions before starting installation work
⇒ page 1 .
♦
Observe rules for cleanliness ⇒ page 215 .
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 after removal
3 - Spring-type clip
❑ Note the position of the
spring clips
4 - Plunger
❑ Check for damage
❑ Oil it, and insert it in cyl‐
inder head with its guide
in the correct position
5 - O-ring
❑ From high-pressure
pump
❑ Renew
❑ Lubricate lightly with
clean engine oil
6 - High-pressure pump
❑ Removing and installing ⇒ page 249
Touareg 2010 ➤ , Touareg 2015 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 12.2019
248 Rep. gr.24 - Mixture preparation - injection
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