Pollen Filters-Airflow arrow question

Soldato
Joined
4 Feb 2004
Posts
13,362
Location
Fife, Scotland
Just replaced my pollen/cabin filter on my 4007. Old one doesn't seem to have any airflow arrows marked on it so I'm not sure what way the new one is meant to sit as it has an arrow and 'Airflow' marked on it.

Do I fit the filter with the arrow pointing down or up?. I found a video online showing the replacement process for a 2010 Mitsubishi Outlander (identical car - different badges)and the guy said the arrows were supposed to point down towards where the spinning impeller in the fan unit sits, is that correct?. It looks a bit strange as to me the fan being at the bottom is blowing air UPWARDS towards the vents in the dash so if the arrow was pointing downwards surely thats facing against the direction of the airflow and the wrong way?. Or do the Airflow arrows on these filters generally point towards where the air is flowing from?.

Here's how I've got it just now:-

air.jpg
 
Last edited:
Soldato
OP
Joined
4 Feb 2004
Posts
13,362
Location
Fife, Scotland
Cheers folks, much appreciated. I looked up the Peugeot TIS and found this:-

6DATm.jpg

Hard to tell exactly but it looks like there are arrows on that filter in the diagram which are pointing downwards. :)
 
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