Hello!

I have a skoda fabia mk3. When i start it up in the morning. It sounds like a circular saw from the air vents (at least I think the sound is comming from there).
The sound stops after a a few moments. And there is nothing wrogn that I can see/feel. The hater and AC works fine. 

Have anyone else had this issue?

It sounds like you have some foreign debris close to the fan. When you switch on, the object is touching the fan, the fan struggles up to speed when the airspeed becomes sufficient to blow it back a little so it is no longer touching. 

Do you start the engine with any electric items on (such as cabin heater, air-con, heated seats/glass areas, etc.) or with all electric items switched off?

 

This circular saw sound, cutting soft wood, hard word, plastic, just spinning?

 

ETA: - or as above post 🙂  -which leads me on to have you changed your or looked at 'pollen' filter?

 

Edited 7 November, 20214 yr by nta16

Honestly, this might be the best description of a fault I've heard.

 

Sorry I can't be of more help though!