2006 Ford E-250 Q&A

2006 Ford E-250 Question: heater motor just started vibrating really bad

it does it all the time, the faster the fan runs the worse it is -
Answer 1
There may be debris in the plenum that the blower is vibrating against. It may need cleaned out. OR, the blower motor itself is worn. -
Answer 2
Look at the Fan , i have foungd that they crack . also have seen dirt /dust / debris, build up causing a ballance problem . -