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AdBlue®, a water/urea based operating fluid, is stored in a tank (like diesel fuel), however, unlike fuel it is not injected into the engine, but directly into a specially modified part of the vehicle’s exhaust. This begins a chemical reaction which removes the polluting oxides of nitrogen (NOx), converting them into harmless water and nitrogen in a process known as Selective Catalytic Reduction, or SCR for short. SCR is only applicable to diesel engines and the more economically you drive, typically, the less AdBlue® you will use.
The size of the AdBlue® tank fitted to your car will vary depending on which Volkswagen Commercial Vehicle you have, therefore the interval between top-ups will vary. In addition, many factors such as mileage, journey type, driving style and environmental conditions can influence how much AdBlue® is consumed.
A series of warnings will be given via the driver information system, accompanied by advice/messages.
The first message is displayed when the remaining range is approximately 1,500 miles, and is repeated every 62 miles until the range reaches 1,000 miles, at which point the warning turns amber. This warning is repeated every 31 miles and is accompanied by an audible tone. If these warnings are not acted upon, the warning turns red; once this happens the car will not restart once the ignition is turned off. This is not a fault, but a required feature of the system. If this stage is reached the system will need a full top-up before the car can be restarted. Further information is available in the vehicle handbook.
Selective Catalytic Reduction uses AdBlue® urea solution to convert nitrogen oxide into nitrogen and water. If the vehicle is equipped with this kind of emission control system for diesel engines, the filler neck for the AdBlue® tank is located below the filler cap for the fuel tank (under bonnet for Crafter).
The tank holds approximately 9, 13 and 18 litres for Caddy, Transporter and Crafter respectively. The AdBlue® consumption figures depend on individual driving style, the system’s operating temperature and the ambient temperature that the vehicle is operated in.
Dungannon: 028 8723 8029
Eglinton: 028 7141 7292
Enniskillen: 028 6622 8037
Mallusk: 028 9084 2000
Adblue top up from £2.50 per litre including labour. Terms and conditions apply, offer may be withdrawn at any time.
