No need to. Plus, most all the fans are bolted right to the shaft that comes out of the charge pump. Which means you have one more seal that can leak, and usually does! No fan, no shaft/seal, no leaks. K.I.S.S.
" But let me tell you something ,folks: You can't fix stupid! There's not a pill you can take, there's not a class you can go to. Stupid is forever!"