I'm glad you have it working again. As far as the WD40, you would have to remove the blower motor, take it apart and place grease where the armature (steel rod that everything is mounted to) rides in the bearing. Most of the newer cars' blower motors are actually rivited together; therefore, they really can't be taken apart very easily. If you hear a screaching noise, you're right. It does need lubed, but for all the frustration of removing it, I would recommend just replacing it.
I hope I helped at least a little. If you have any other questions, let me know.
Tuesday, October 7th, 2008 AT 1:26 PM