Mine got loud after about 2 months of constant use.  So I just removed it & never looked back. 

  Temps haven't gotten any higher...but I do have 7 other fans in the system..
Fan list..
1-80 mm intake
2-80 mm exaust (close to CPU)
1-60 mm H/S
1-80 mm Power Supply
1-80 mm In case (sends air across video H/s & toward CPU, crossing the Via H/s.)
1-40 mm Tiny lil one that helps keep the 7200RPm drives a tad cooler. 
  
Current ambient temp 24.3c
Current System Temp  26c  (never been over 27C)