Setup, Compatibility & Care
To install the filter, ensure the vehicle's ignition is off and the SCR system is depressurized. Carefully unscrew the filter housing using the appropriate wrench to avoid cracking the plastic cap. Remove the old element and discard it according to local chemical disposal regulations. Clean the interior of the housing with a lint-free cloth, ensuring no fibers remain. Seat the new U 620/2 y filter, install the provided new gasket, and tighten the cap to the manufacturer's specified torque to prevent leakage. Avoid over-tightening as this can warp the seal.