Hi all - badly need some diagnosis help please....  2014 L&K tdi   I replaced a dead A/C fan 6 months ago. All has been well since. There is now a strange noise from behind the glovebox area that starts as soon as the ignition comes on and does not stop regardless of whether the A/C, fan etc is on or off. It's loud enough to only just be drowned by motorway speed road noise.   It sounds like a fan spinning and catching or perhaps a motor or pump struggling - it's a strang