2021-2025 Volkswagen Taigo SUV Descriptions of work -> Reducing agent (AdBlue?/DEF): replenishing User Manual
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Descriptions of work -> Reducing agent (AdBlue?/DEF): replenishing for Your Volkswagen Taigo SUV First Generation (2021-2025)

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤  
Maintenance - Edition 10.2021  
– Open glass panel completely.  
– Remove residual grease and dirt from guide rail using a  
lint-free cloth.  
– Apply lubricant to guide rail on inside and outside -arrows-.  
– Remove any excess lubricating paste from guide rail using a  
lint-free cloth.  
– Repeat process on the other side of the vehicle.  
4.39.4  
Glass panel mechanism: cleaning and  
lubricating  
– Glass panel in venting position.  
– Remove residual grease and dirt from glass panel mecha‐  
nism using a lint-free cloth.  
– Apply lubricant to support cage of glass panel mechanism at  
friction surfaces from outside -arrows-.  
– Remove any excess lubricant from support cage and tilt lev‐  
er of glass panel mechanism using a lint-free cloth.  
– Repeat process on the other side of the vehicle.  
4.39.5  
Guide rail: cleaning and lubricating  
from inside  
130  
4. Descriptions of work  
Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤  
Maintenance - Edition 10.2021  
– Close glass panel just enough so that wind deflector is still  
completely deployed.  
– Remove residual grease and dirt from guide rail using a  
lint-free cloth.  
– Apply lubricant to guide rail from inside -arrows-.  
– Remove any excess lubricating paste from guide rail using a  
lint-free cloth.  
– Repeat process on the other side of the vehicle.  
4.39.6  
Wind deflector: cleaning  
Glass panel completely open.  
– Clean net and frame of wind deflector -1- with a sponge and  
soap solution.  
– Remove loose particles of dirt from wind deflector slot  
-arrows- using an industrial vacuum cleaner.  
– Close glass panel completely.  
4.39.7  
Seals: checking for damage and clean‐  
ing  
4. Descriptions of work  
131  
Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤  
Maintenance - Edition 10.2021  
– Bring glass panel -1- into tilt position  
– Inspect seal on rear glass panel -2- for damage.  
– Clean seal on rear glass panel -2- and opposite sealing  
surface on roof.  
– Open glass panel -1- completely.  
– Check seal on roof -3- for damage.  
– Clean seal on roof -3- and sealing surfaces on glass panel  
-2-.  
4.40  
Road test: performing (driving behav‐  
iour, noises, air conditioner etc.)  
Which of the following can be checked depends on vehicle  
equipment and local conditions (urban/country).  
Check the following during a road test:  
♦ Engine: output, misfiring, idling speed, acceleration  
♦ Clutch: pulling away, pedal pressure, odours  
♦ Gear selection: ease of operation, stick position  
♦ Automatic gearbox: Selector lever position, shift lock/ignition  
key removal lock, shift behaviour, dash panel insert display  
♦ Foot brake and handbrake: function, free travel and effec‐  
tiveness, pulling to one side, juddering, squeal  
♦ ABS function: pulsing must be felt at the brake pedal during  
ABS-regulated braking  
♦ Steering: function, steering free clearance, steering wheel  
centred when vehicle is travelling straight ahead  
♦ Tilting roof: function  
132  
4. Descriptions of work  
Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤  
Maintenance - Edition 10.2021  
♦ Radio/radio navigation system: function, reception, GALA,  
interference noise  
♦ Multi-function indicator (MFI): functions  
♦ Air conditioning system: check function (At low temperatures  
the function of air conditioner must be checked in a work‐  
shop).  
♦ Vehicle: pulls to one side when travelling straight ahead (lev‐  
el road).  
♦ Imbalance: wheels, drive shafts, propshaft  
♦ Noise/vibration: wheel bearing, exhaust system  
♦ Engine: hot starting behaviour  
4.41  
Wheel securing bolts: tightening to  
specified torque  
Special tools and workshop equipment required  
♦ Adapter set for wheel bolts -T10313-  
♦ Torque wrench  
Note  
♦ To loosen/tighten the anti-theft wheel bolts a special adapt‐  
er, located in vehicle tool kit, is required.  
♦ To loosen the anti-theft wheel bolts (lockable wheel bolts) do  
not use an impact screwdriver.  
♦ If the adapter to loosen or tighten the anti-theft wheel bolts  
is not available in the vehicle, use the corresponding adapter  
set for tamper-proof wheel bolts.  
– Fit adapter -2- onto anti-theft wheel bolt -1- as far as stop.  
4. Descriptions of work  
133  
Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤  
Maintenance - Edition 10.2021  
– Fit wheel brace onto adapter -2- as far as stop.  
– Tighten wheel bolts diagonally to specified torque.  
Specified torque  
Wheel bolts  
Nm  
120  
Reducing agent (AdBlue®/DEF): re‐  
plenishing  
4.42  
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  
195  
♦ To prevent the descriptions from becoming unclear, the  
®
“NO reducing agent AUS 32” (AdBlue ) is merely called  
x
®
reducing agent (AdBlue /DEF) in the following texts.  
General notes ⇒ page 134  
Health/endangerment and cleaning ⇒ page 136  
Disposal instructions ⇒ page 136  
Filling reducing agent tank ⇒ page 137  
Special tools and workshop equipment required  
♦ Filling device for AdBlue -VAS 6960-  
4.42.1  
General information  
Properties  
®
♦
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  
treatment 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 195 for diesel engines.  
134  
4. Descriptions of work  

Related Topics

Descriptions of work
Removable towing bracket: checking and cleaning if necessary Swivel joints and suspension link mountings: inspecting Automatic headlight control and static cornering light: checking function Battery (12V): checking battery terminal clamps for secure seating Battery (12V): checking with battery tester Status of battery (12V): reading - sending diagnosis protocol via online connection Front passenger front airbag: checking key switch and ?ON/OFF function? Tyres: checking condition, wear pattern, tyre pressure and tread depth Brake and clutch system: changing brake fluid Brake system and shock absorbers: inspecting for leaks and damage Brake fluid level: checking Checking thickness of pads/linings on front and rear brakes and condition of brake discs/drums Diesel fuel filter: draining Diesel fuel filter: renewing Diesel particulate filter: checking Dual clutch gearbox 0D9: changing gear oil and filter Electric windows: checking positioning (open and close functions) Natural gas system: resetting interval display Natural gas system: visually inspecting natural gas tank for corrosion and leakage Natural gas system: checking wax layer between natural gas fuel tank and fuel tank shut-off valve Natural gas tank: renewing Natural gas filler connection and sealing cap: checking condition, if necessary cleaning and checking seal Fault memory of all systems: reading with vehicle diagnostic tester, correcting possible faults Boots: inspecting Interior and exterior body: inspecting for corrosion with doors and flaps open Poly V-belt: renewing Poly V-belt: checking condition Cooling system: checking frost protection and coolant level Air filter: cleaning housing and renewing filter element Multi-purpose additive for diesel fuel: adding Multi-purpose additive for petrol fuel: adding Engine and components in engine compartment: inspecting for leaks and damage Engine cover panel ?top?: removing and installing Motor compartment cover (noise insulation) ?bottom?: removing and installing Engine oil level: checking Engine oil: draining; renewing oil filter and filling engine oil Engine oil: capacities and specifications up to model year 2020 Engine oil: capacities and specifications as of model year 2021 Panoramic sliding sunroof Road test: performing (driving behaviour, noises, air conditioner etc.) Wheel securing bolts: tightening to specified torque Reducing agent (AdBlue?/DEF): changing Tyre Pressure Loss Indicator: calibrating Tyre repair set: checking Window wash/wipe system and headlight washer system: checking function Headlight adjustment: checking halogen headlights Headlight adjustment: checking LED headlights (Polo) Headlight adjustment: checking LED headlights (ECO) (Polo PA, Taigo) Headlight adjustment: checking matrix LED headlights Headlight adjustment: checking fog lights Service interval display: resetting Service interval display: recoding Track rods: checking clearance, attachment and boots Interior filter: cleaning housing and renewing filter element Transportation mode: switching off Transportation devices: removing blocking pieces Clock and date: setting Underbody: inspecting for damage to underbody sealant, underbody panels, routing of lines, plugs Toothed belt (petrol engines): renewing Camshaft drive toothed belt (diesel engines): renewing Spark plugs: renewing

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