Q: the noise of my van is going up and down on 2004 Chrysler Town & Country

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
it vibrate so bad most especially when i put on the cold air or heat
(2) Answers
Blower fan wheel out of balance. Remove unit and clean out blower. Usually a mouse nest in blower wheel.
Or bearing worn out.
Qualified Local Chrysler Shops
Qualified Chrysler Shops For This Repair