Volkswagen Tiguan 2016, Maintenance Manual

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4.38 Reducing agent (AdBlue
®
/DEF): replen‐
ishing
Note
To prevent the descriptions from becoming unclear, the “NOx re‐
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 134
General notes ⇒ page 93
Health/endangerment and cleaning ⇒ page 95
Disposal instructions ⇒ page 95
Filling reducing agent tank ⇒ page 96
Special tools and workshop equipment required
♦ Filling device for AdBlue - VAS 6960-
4.38.1 General information
Characteristics
♦ The reducing agent (AdBlue
®
/DEF) is not a diesel additive and
must not be poured into the diesel fuel tank.
♦ 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.
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Maintenance - Edition 08.2017
4. Descriptions of work:
93