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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 180 (HVAC Systems (Service Information)) >> HVAC >> Distribution >> Motor-Blower >> Diagnosis And Testing >> Vibration

Diagnosis And Testing: Vibration

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Possible causes of a blower motor vibration include:

  1. Improper blower motor mounting
  2. Foreign material in blower wheel
  3. Deformed or damaged blower wheel
  4. Worn blower motor bearings