This is normally the fan itself and not necessarily a bearing. Normally, it is because the clutch has failed and it locks the fan in "high" and it roars at slower speeds.
If this is replaced and it still does it, then we need to turn to a bearing. Does the noise happen when in Neutral and reving the engine or do you have to be moving?
If none of these items in this guide sound close then maybe getting a recording of the noise is the best bet.
Sunday, October 6th, 2019 AT 5:39 PM