Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
Procedure
The battery status is read while the transportation mode is being
switched off ⇒ page 156 .
4.8
Reducing agent (AdBlue®/DEF): replen‐
ishing
Note
To prevent the descriptions from becoming unclear, the “NO re‐
x
®
ducing agent AUS 32” (AdBlue ) is merely called reducing agent
®
(AdBlue /DEF) in the following texts.
Caution
®
Only the reducing agent (AdBlue /DEF) can be used in Blue
TDI vehicles. NEVER fill in additive which has been used in the
past. It can destroy the reducing agent.
Note
♦ The following description applies to diesel vehicles with SCR
process (selective catalytic reduction).
♦ Additional information on the SCR process and reducing agent
®
(AdBlue /DEF) can be found in the glossary ⇒ page 181
General notes ⇒ page 46
Health/endangerment and cleaning ⇒ page 48
Disposal instructions ⇒ page 49
Work preparation for filling reducing agent tank ⇒ page 49
Filling reducing agent tank ⇒ page 50
Work after filling reducing agent tank ⇒ page 50
Special tools and workshop equipment required
♦ Filling device for AdBlue - VAS 6960-
4.8.1
General information
Characteristics
®
♦
The reducing agent (AdBlue /DEF) is not a diesel additive and
must not be poured into the diesel fuel tank.
46
4. Descriptions of work:
Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
®
♦
The reducing agent (AdBlue /DEF) is used for exhaust treat‐
ment to reduce nitrogen oxides in the exhaust gas of diesel
powered vehicles.
®
♦
♦
The reducing agent (AdBlue /DEF) reduces these nitrogen
oxides to water and nitrogen.
®
The reducing agent (AdBlue /DEF) is a high-purity 32.5%
urea solution and is used in systems with exhaust treatment
(SCR catalytic converters) ⇒ page 181 for diesel engines.
®
♦
♦
The reducing agent (AdBlue /DEF) is legally required for op‐
erating vehicles with SCR.
®
AdBlue is a registered trademark of the Verband der Auto‐
mobilindustrie e. V. (VDA) in the USA, Germany, the European
Union and other countries.
Application
®
♦
♦
Do not mix additives with reducing agent (AdBlue /DEF).
®
Do not dilute the reducing agent (AdBlue /DEF) with water.
♦ Do not use fluid which has already been used.
®
♦
Use only reducing agent (AdBlue /DEF) in the intended, orig‐
inal containers. Also note the expiry date information.
♦ Additionally note the reducing agent manufacturer's usage
and storage instructions.
Technical data
♦ “NO reducing agent AUS 32” is the designation according to
x
ISO 22241-1.
®
♦
The reducing agent (AdBlue /DEF) is contained in a separate
tank in the vehicle. It is NOT therefore mixed with diesel fuel.
♦ A refill container approved by Volkswagen must be used for
®
replenishing the reducing agent (AdBlue /DEF).
♦ The part numbers for available sizes of containers is available
in ⇒ ETKA .
Insufficient reducing agent
If the level of reducing agent is low, one of the following messages
appears on the dash panel insert:
♦ From a remaining distance of 2400 km, a gong sounds and
“Top up AdBlue (DEF)!” is displayed“ Remaining distance
2400 km”.
♦ From a remaining distance of 1000 km, a warning buzzer
sounds and “Top up AdBlue (DEF)!” is displayed“ No engine
starting in 1000 km”
♦ From a remaining distance of 0 km, a warning buzzer sounds
three times and “Top up AdBlue (DEF)!” is displayed“ Engine
start no longer possible is shown.”
System malfunction or incorrect filling
Caution
The vehicle is damaged by filling with reducing agent (AdBl‐
®
ue ) NOT in compliance with the standard or with other fluids.
In case of system malfunction or incorrect filling, one of the fol‐
lowing messages appears on the dash panel insert:
4. Descriptions of work:
47
Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
♦ From a remaining distance of 1050 km, “Check AdBlue
(DEF)!” is displayed“ Remaining distance 1050 km”.
♦ From a remaining distance of 1000 km, a warning buzzer
sounds and “Check AdBlue (DEF)!” is displayed“ No engine
start possible in 1000 km”.
♦ From a remaining distance of 0 km, a warning buzzer sounds
three times and “Check AdBlue (DEF)!” is displayed“ Engine
start no longer possible”.
WARNING
♦ As soon as “Check AdBlue!” appears:“ No engine start
possible! ” is displayed and the engine is switched off; the
engine cannot be started again.
– Fault recovery ⇒ Guided fault finding
4.8.2
Health risk and cleaning
WARNING
®
♦
♦
AdBlue /DEF is corrosive and an irritant that can cause
injury on contact with the skin, eyes and respiratory or‐
gans.
®
In the event of AdBlue /DEF coming into contact with the
eyes and skin, wash off immediately with plenty of water
for at least 15 minutes and seek medical assistance.
♦ In the event of skin contact with this fluid, immediately
wash off with plenty of water.
®
♦
In the event of AdBlue /DEF ingestion, rinse out the
mouth immediately with plenty of water for at least 15 mi‐
nutes. Do not induce vomiting unless instructed to do so
by a doctor. Seek medical assistance without delay.
Caution
®
Never allow reducing agent (AdBlue /DEF) to come into con‐
tact with trim or body parts.
®
If this happens, wash off the reducing agent (AdBlue /DEF)
with clear water and wipe area with a lint-free cotton cloth.
®
If the reducing agent (AdBlue /DEF) has already crystallised,
use warm water and a sponge.
Reducing agent that has not been removed will crystallise after
a while and may damage the affected surface.
48
4. Descriptions of work:
Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
4.8.3
Disposal instructions
Caution
Information reference for storage and disposal ⇒ InfoNet, Op‐
eration, Strategy and deadlines, Environment, Handbook
Service Environmental Protection ! Ask your importer about
country-specific information on storage and disposal.
The refill container must be disposed of in accordance with
environmental regulations.
4.8.4
Work preparation for filling reducing
agent tank
Note
Ensure that vehicle stays on an even ground.
The reducing agent tank's filler aperture is located under the floor
covering in the luggage compartment.
– Raise floor covering -1- and push it back or hook it in.
– Remove spare wheel -2-, if available, by unscrewing wing nut
-3-.
– Remove foam part, if fitted.
– Remove tank filler neck sealing plug -1-.
4. Descriptions of work:
49
Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
4.8.5
Reducing agent tank: filling
Procedure
Note
♦ Ensure that the vehicle is on a hard, level standing and that
the ignition is switched off.
♦ Refer to the ⇒ Operating manual for the filling device for AdBl‐
ue - VAS 6960- .
♦ Use only demineralised water for cleaning any components of
®
the AdBlue /DEF system. Do not use tap water for this.
– Open tank cap in luggage compartment -1-.
– Clean reducing agent tank filler neck with a water-soaked, lint-
free cotton cloth.
– Insert filler nozzle of filling device for AdBlue - VAS 6960- into
filler neck of tank for reducing agent, and start filling the tank
for reducing agent.
Note
The filler nozzle of the filling device for AdBlue - VAS 6960- stops
automatically when the required reducing agent level has been
attained.
– Remove filler nozzle.
4.8.6
Work after filling reducing agent tank
– Screw in tank cap -1- of tank filler neck until it engages.
– Carefully insert sealing plug -1-.
50
4. Descriptions of work:
2024 VW Passat Owner's Manual
VW Passat B7 Service & Repair Manual
VW Passat B6 Service & Repair Manual
