Changing the pollen filter on the Renault Megane Mk3 is a slightly unusual job because the filter is accessed from inside the car through the driver’s footwell, not from the engine bay. Renault dealers are known to quote a high price for this job because they remove the clutch pedal and surrounding trim — but as this guide shows, you can do it without any of that fuss.
The filter on this one had clearly never been changed and had things growing on it. A blocked pollen filter causes reduced airflow through the heater and ventilation system and can produce bad smells inside the car.
Similar Procedure on These Models
- Renault Megane Mk3 (all variants)
- Renault Scenic Mk3
- Renault Fluence
Tools & Parts Needed
🛒 Shop Parts & Tools for This Job
As an Amazon Associate, Mr Auto Fixer earns from qualifying purchases. Prices and availability may vary.
Step-by-Step Guide
Remove the Lower Footwell Panel
Get inside the car and kneel or crouch in the driver’s footwell. Locate the plastic panel at the bottom of the dash just above the clutch pedal. Grab it at the bottom edge and pull it off — it has a couple of clips. Be careful not to break them. Set it to one side.
Locate and Undo the T20 Torx Bolt
With the panel off and a torch in hand, look up at the bracket above. You will see a small T20 Torx bolt at the very top of the cover. This is the only fastener. Use a small ratchet with a T20 bit and undo it slowly — it is fiddly to reach but completely accessible. Once undone, get your fingers on it and keep it safe.
Pull the Two Tabs and Remove the Cover
Just below the bolt there are two plastic tabs — one at the top of the cover and one at the bottom. Squeeze them together and pull the cover out. It will come out into the footwell. You can now see the pollen filter sitting in its housing just above.
Remove the Old Filter
Reach up and squeeze the filter slightly to work it free of its housing. It will come out by bending it around the corner of the duct. On this car it had never been changed and had debris and even mould growing on it. Dispose of it and clean the housing if needed.
Fit the New Filter
Check the airflow direction arrow on the new filter — the arrow should point into the car (towards you as you face the housing). Squeeze the filter together slightly and feed it up around the bend into the housing. Once it locates fully into the slot it should sit flush and secure.
Refit the Cover & Panel
Line up the two tabs on the cover with the housing and push it back in so both tabs click into place. Push them in firmly with your fingers to confirm they are seated. Refit the T20 Torx bolt at the top. Refit the lower dash panel, locating the clips before pressing it firmly home. Test the heater blower to confirm good airflow.
Want this guide offline — and 15 more like it?
Our PDF guide collection covers servicing, fault codes, buying a used car and more. Written by a qualified mechanic. Download once, use forever — no ads, no internet needed.
