F 53 27
- Check tank for damage. On finding
any damage, replace tank.
Flush DEF tank with distilled water
and clean with compressed air.
- Check filler neck for cracks and other
damage.
On finding any damage, replace
filler neck.
Clean the filler neck with warm water
and a clean cloth.
Dry with compressed air
to avoid soiling.
- Check the filter for cracks and other
damage. On finding any damage, re-
place the filter.
- Clean the filter with warm water and
a soft brush.
Dry with compressed air
to avoid soiling.
- Check the tank cover and the ventila-
tion cap for cracks and holes, check
the condition of the thread.
On finding any damage, replace the
tank cover and/or the ventilation cap.
- Check the thread of the DEF tank.
On
finding any damage, replace the
complete tank
- Clean tank cover and ventilation cap
with warm water and a cloth.
Dry with compressed air to avoid soiling.
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