Location and replacement of cabin (pollen) filter on Citroën C3
How to replace the A/C filter of a Citroën C3

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  • OVERALL DIFFICULTY INDEX: 2/10
  • NO TOOLS NEEDED FOR THIS JOB
  • IF YOU HAVE NO EXPERIENCE YOU SPEND 15 MINUTES TO CARRY OUT THIS JOB
  • RISK OF BURNS, SEE BELOW​
BEFORE YOU START
  • Be careful not to touch any hot part of the engine.
  • This pictorial covers the pollen filter used to clean the air entering your vehicle. It is located inside the engine compartment and does not clean recirculated air. Filters that do clean both recirculated and fresh air are located inside the vehicle and better called cabin filters.
The below works concern a 2019 Citroën C3 but do apply to any car with a pollen filter located under the hood.
DISCLAIMER:
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.

Symptoms of a clogged pollen or cabin filter

  1. Car A/C is overall less efficient, yet the pulsed air from the A/C grilles on the dashboard is cold
  2. Excessive A/C fan noise inside the car
  3. Air getting out of the A/C diffusers is too cold
  4. Air flow is reduced, put your hand on an A/C diffuser then take it away slowly, you will notice the pulsed air reaches a shorter distance
  5. Uncomfortable ambience inside the car at night, with the A/C being too cold
  6. Uncomfortable ambience inside the car under the sun, with the A/C lacking efficiency

Location of the pollen (cabin) filter on Citroën C3

Open the hood and find the removable grille beneath the windshield wipers, on the left side of your vehicle.
Unclip it with your fingers or use a flat screwdriver, and take it out.
This uncovers the A/C filter inside this compartment.

How to replace a pollen filter under the hood of a 2019 Citroën C3

Take out the A/C cabin filter (pollen filter in this case) which is made of two parts:
Refit the new A/C pollen filter (cabin filter) with the air flow arrows pointing down and close the plastic lid.
That's it!

See also how to replace other filters:
And more DIY tips for all types of cars: