Having recently discovered that both our VAG stable 'mature' cars (Mk1 Fabia 2005 and 9N Polo 2003) had low speed radiator fan failure, I came across useful online info - here and beyond - to fix them cheaply and relatively easily. It started from some handy links to a posting on Vortex (see post #3), supplied by del-gti in the Fabia Mk1 forum in a thread started by Dazza95.   While sorting out my Polo which had this fault, I came across another fault with the smaller, AC fan, which was runni