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Any one had issues with foul odour from vents resistant to AC cleaners and cabin filter changes.the dealer had a go at deodoriding but the smell returned after a few weeks

 

Edited by MAYNAN
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14 hours ago, MAYNAN said:

Any one had issues with foul odour from vents resistant to AC cleaners and cabin filter changes.the dealer had a go at deodoriding but the smell returned after a few weeks

 

Make sure that your AC isn’t stuck on recirculate. 

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And make sure your AC is left switched ON all the time.

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I second DanD - had lots of cars with automatic air con and never any bad smells but I have always leave air con running full time just adjusting the temperature as needed. When the air con isn't running some water accumulates in the system in which the bacteria grow and hence the smell and it's then very difficult to rid the car of it completely. The very small difference running air con all the time makes to mpg (in modern cars as it's regulated by the car as to how much is needed) is very small and well worth it to a) avoid the small of old socks and b) maintain all the O-rings etc. and avoid leaks as they get old and dry out by keeping the oil circulating. If you get the system cleaned and deodorised then leave the AC from there on out and hopefully the smell won't come back again.

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Try an aircon bomb to clear it. Make sure it is of the antibacterial type or it will only be masked for a while.

Also, check your pollen filter. They can absolutely stink after a while.

As the others, I leave my aircon on all the time.

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