CITROEN C5 Handbook page 344

SPECIAL FEATURES : AIR CONDITIONING SYSTEM (R 134.a)
Pollen filter
NOTE : The pollen filter is located under the bonnet on the LH side.
Removing.
Remove the handle (1).
Uncouple the evacuation pipe (2).
Release at (3), on the RH and LH sides.
Slacken the screws (4) on the RH and LH sides by a quarter turn.
Pull the assembly (6) outwards.
Remove the pollen filter (5).
Refitting.
Proceed in reverse order.
C5HP182D
341
C8
C5HP183C