2
Injectors
2.1
Assembly overview - fuel rail with injec‐
tors
Note
♦
Never dismantle the high-pressure pump.
♦
If the fuel rail is removed, the injector O-ring, support washer,
spring element and combustion chamber seal must always be
renewed
.
♦
Vehicles from June 2013 onwards: After installing the injec‐
tors, the adaption values must be deleted ⇒ Vehicle diagnostic
tester,
Guided Functions
;
Delete injector’s adaption
values
.
♦
Note safety precautions before starting installation work
⇒ “3.1 Safety precautions during work on fuel system”,
♦
Observe rules for cleanliness
⇒ “4.1 Rules for cleanliness”, page 6
WARNING
♦ If the battery is not disconnected, the fuel pump fuse must
be removed. The fuel pump may otherwise be activated
by the driver door contact switch. Fuse assignment ⇒ Cur‐
rent flow diagrams, Electrical fault finding and Fitting lo‐
cations
♦ The fuel pressure in the high-pressure pipe can reach
120 bar! Wear eye protection and protective clothing to
avoid possible injury and skin contact. Before loosening
fuel pipes, wrap a cloth around the connection. Then re‐
lease pressure by carefully loosening the union nuts.
CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 06.2019
162
Rep. gr.24 - Mixture preparation - injection