member grantb in UK posted this yesterday :
*Not the blower on the front of the engine, as I stripped this, cleaned the brushes, changed the bearings and re-assembled = even removed the device completely from the vehicle - still screeches..
in thread
www.crossfireforum.org/forum/.../60482-screeching-noise-engine.html
post # 1
you might PM him and see what all he did