Fuel Injectors, Cleaning - Volkswagen Golf 2015 Repair Manual

– Use the included Injector/Combustion Chamber Seal Tool Set
Nylon Brush - T10133/4- to thoroughly clean the high-pressure
fuel injector bores in the cylinder head before installing the fuel
injectors.
Note
Do not oil or grease the combustion chamber sealing ring on
♦
the fuel injector.
When installing the injector valve, make sure there is no clean‐
♦
ing product or oil in the holes in the cylinder head.
– Press fuel injector by hand into cylinder head (free of oil and
grease) as far as stop. Make sure the fuel injectors are posi‐
tioned correctly inside the cylinder head.
– The tab -1- and the opening -arrow- must be on top of each
other in the cylinder head.
Note
The fuel injector must not be difficult to install. If necessary,
♦
wait as the combustion chamber seal continues to pull itself
together.
Make sure the fuel injectors are installed securely in the cyl‐
♦
inder head.
If it is difficult to install the fuel injector by hand, use the Injec‐
♦
tor/Combustion Chamber Seal Tool Set - Puller - T10133/2A-
-2- with the Sliding Hammer - T10133/3- to guide in the fuel
injector.
– Coat the fuel injectors O-rings with clean engine oil so they are
easier to guide into the fuel rail.
– Install the fuel rail. Refer to
⇒ 4.4 Fuel Rail, Removing and Installing, Direct Fuel Injec‐
tion , page 309 .
– Install the intake manifold. Refer to
⇒ 4.3 Intake Manifold, Removing and Installing , page 304
2.5

Fuel Injectors, Cleaning

Special tools and workshop equipment required
♦ Ultrasonic Cleaning Unit - VAS6418-
♦ Mounting Plate for Injection Modules - VAS6418/1-
♦ Cleaning Fluid - VAS6418/2-
Engine Mechanical, Fuel Injection and Ignition - Edition 04.2015
Golf 2015 ➤ , Golf Variant 2015 ➤
.
291
2. Fuel Injectors