Arteon 2018 ➤, Arteon 2021 ➤, Arteon Shooting Brake 2021 ➤, Golf 2013 ➤, Golf 2 ...
4-cyl. direct injection engine (1.8 l and 2.0 l, 4 V, EA 888 gen III, turbocharger, chain drive) - Edition
02.2021
3
Repair instructions
⇒ r3.5 adiator and condensers”, page 8
⇒ v3.6 acuum system”, page 8
3.1
Rules for cleanliness
Even small amounts of contamination/soiling can lead to de‐
fects. You must therefore comply with the following rules for
cleanliness when working on the fuel supply system, injection
system and turbocharger:
♦ Carefully clean connection points and the surrounding area
with engine cleaner or brake cleaner and dry thoroughly
before opening.
♦ Seal open pipes and connections immediately with clean
plugs for example from the engine bung set -VAS 6122-.
♦ Place removed parts on a clean surface. Cover with lint-free
cloths only.
♦ If repair work cannot be performed immediately, carefully
cover or seal components.
♦ Install clean components only: do not remove replacement
parts from packing until immediately before installing. Do not
use parts that have been stored outside their packaging (e.g.
in tool boxes).
♦ When the system is open, do not work with compressed air
or move the vehicle.
♦ Make sure that no fuel gets onto the fuel hoses. Should this
occur, the fuel hoses must be cleaned immediately.
♦ Protect disconnected electrical connectors from dirt and wa‐
ter, and reconnect them only when dry.
3.2
Foreign objects in engine
♦ To prevent the ingress of foreign bodies during work on
the engine, seal open channels of the intake and exhaust
sections with suitable bungs, for example from the engine
bung set -VAS 6122-.
3.3
Contact corrosion
Contact corrosion can occur if non-approved fasteners are used
on the vehicle (bolts, nuts, washers etc.).
For this reason, only connecting elements with a special surface
coating have been fitted.
In addition, rubber, plastic and adhesives are made of non-con‐
ductive materials.
If there is any doubt about the suitability of parts, a general rule
is to use new parts ⇒ Electronic parts catalogue (ETKA).
3.4
Routing and attachment of lines
♦ To prevent interchanging and to maintain the original instal‐
lation position, mark fuel lines, vacuum lines, pipes/hoses
for activated charcoal filter system and electrical wiring etc.
3. Repair instructions
7
Arteon 2018 ➤, Arteon 2021 ➤, Arteon Shooting Brake 2021 ➤, Golf 2013 ➤, Golf 2 ...
4-cyl. direct injection engine (1.8 l and 2.0 l, 4 V, EA 888 gen III, turbocharger, chain drive) - Edition
02.2021
before removal. Make sketches or take photographs if nec‐
essary.
♦ To avoid damage to lines, ensure adequate clearance from
all moving or hot components in the engine compartment on
account of the confined space.
3.5
Fitting radiator and condensers
Even if installed correctly, the radiator, the condenser and the
charge air cooler may have small dents in their fins. This does
not mean that these components have been damaged. It is
not permissible to renew radiators, condensers or charge air
coolers only because of such minor dents.
3.6
Checking vacuum system
Special tools and workshop equipment required
♦ Hand operated vacuum pump -VAS 6213-
Sequence of operations
– Check all vacuum lines throughout entire vacuum system
for:
♦ Cracks
♦ Marten bites
♦ Crushing
♦ Porous areas and other leaks
– Check vacuum line to solenoid valve and from solenoid
valve to relevant component.
– If a fault has been entered in the event memory, make sure
to check not only all vacuum lines leading to the specified
component, but also those leading to other components.
– If pressure cannot be built-up using hand vacuum pump
-VAS 6213- or pressure immediately drops again, check
hand vacuum pump and connecting hoses for leaks.
8
Rep. gr.00 - Technical data
2024 VW Tiguan Owner's Manual
