QUOTE(Bartlett 914 @ Apr 23 2015, 04:55 PM)
I wouldn't remove it unless there was an issue. If you are installing one, I would bench test it first.
Squeaky wheel gets the grease. Had this happen to 2 Audi's, a 1995 and 1997; heater fan squeaked at low speed. Removed the fan and motor, oiled and replaced. Big PITA on those cars.