Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤
Maintenance - Edition 12.2020
Note
♦ If the currently used coolant additive cannot be determined
precisely, use the scale -2- for coolant additive G13.
♦ Please observe disposal instructions!
– Check coolant additive concentration after road test again.
4.30.3
Mixing ratio
NOTICE
Use only distilled water for mixing coolant additives. The use
of distilled water ensures optimum protection against corro‐
sion.
Anti-freeze protection to
Coolant additive
portion
Distilled water
-25°C
-36°C
approx. 40%
approx. 50%
approx. 60%
approx. 50%
4.31
Diesel fuel filter: draining
Note
Applies only to vehicles with PR number 1A8.
Description of work
NOTICE
Ensure that no diesel fuel contacts other components in the
engine compartment. Clean immediately, if necessary.
Observe relevant disposal regulations.
Note
Please observe disposal instructions!
– Fit a suitable hose onto banjo bolt -arrow-.
– Start the engine.
4. Descriptions of work
91
Tiguan 2016 ➤, Tiguan 2021 ➤, Tiguan RUS 2017 ➤, Tiguan RUS 2021 ➤
Maintenance - Edition 12.2020
– Carefully loosen banjo bolt -arrow- until water escapes.
The water is drained from the diesel fuel filter due the system
pressure.
– When diesel fuel escapes, tighten banjo bolt, and pull off
hose.
– Tighten banjo bolt to specified torque.
Specified torque
Banjo bolt
Nm
8
4.32
Diesel fuel filter: renewing
CAUTION
Risk of burns from very hot fuel.
♦ In extreme cases the fuel lines and the fuel can reach a
temperature of 100°C. Allow the fuel to cool down before
disconnecting the lines – risk of scalding.
♦ Wear protective gloves.
♦ Wear safety goggles.
Risk of injury due to highly-pressurised fuel.
♦ To release pressure in fuel system, place clean cloth
around connection and carefully undo connection.
Special tools and workshop equipment required
♦ Protective gloves
♦ Safety goggles
Note
Observe relevant disposal regulations.
Removing
NOTICE
♦ Ensure that no diesel fuel contacts other components in
the engine compartment. Clean immediately, if necessary.
– Switch off ignition.
Note
Before opening the system, place a cloth around the filter hous‐
ing.
– Unscrew bolts -arrows- in sequence shown -1- to -5-.
– Collect any escaping fuel.
– Remove upper section of fuel filter -1- from fuel filter housing
-2-.
– Place upper part of fuel filter -1- to one side (with fuel lines
connected).
92
4. Descriptions of work
2024 VW Tiguan Owner's Manual
