This AdBlue pump assembly is responsible for delivering Diesel Exhaust Fluid (DEF) from the tank to the selective catalytic reduction (SCR) system, reducing harmful NOx emissions. It is built with robust components to withstand the chemical properties of DEF and the operating pressures required for efficient injection. A malfunctioning pump may cause the 'AdBlue system fault' warning light to illuminate on the dashboard, or lead to increased exhaust emissions if DEF is not properly supplied.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The first indication of a problem with the AdBlue pump assembly is usually a warning light on the dashboard related to the SCR system or AdBlue level. If the pump fails to deliver DEF, the vehicle's emissions control system will be compromised, potentially leading to reduced engine power or a mandatory engine shutdown after a set period. Continued operation without proper DEF delivery will result in the vehicle failing emissions tests and potentially being taken out of service.
Ensure the AdBlue tank is clean and free of any contaminants before installing the new pump assembly. Carefully connect all electrical and fluid lines, ensuring they are securely seated to prevent leaks or electrical faults.
When replacing the AdBlue pump, it is advisable to inspect the AdBlue tank for sediment and check the DEF injector for any signs of clogging.