Other Cleaning the reductant tank filler filter Make sure that the filler filter (1) is clean. If it is dirty: Clean the filler filter with clean water and refit it. 1 350 114 Cleaning the reductant tank ventilation filter Make sure that the ventilation filter (2) is clean. If it is dirty: Clean the ventilation filter with clean water and refit it. 2 352 009 00:23-02 en-GB 52 © Scania CV AB 2016, Sweden