Hi. Ive managed to get a shorter belt (5pk1110) as advised by kind members, to bypass the aircon pulley on my 2004 Avensis d4d 1cd ftv.  (as there is a horrible noise from pulley/clutch on aircon with aircon off or on) However on looking at the routing it dosen't look that straight forward The small idle pulley in the middle would still be partially in the way, so does that have to be removed completely?.To me it looks like the idle pulley is also a belt tensioner as there is an adjust