No subject

using the extender with the tip angled back toward the blower motor
shaft.  I also drilled a tiny hole in the plastic housing where I
guessed the motor brushes might be and sprayed a little in there too,
but this would be unnecessary if step one fixes the squeak.   WD 40
would work too..  at least temporarily.
This fix has lasted almost two years now, takes 15 minutes and costs zilch.
HTH.  YMMV.
Bill~never a guarantee~M