My 2010 make a weird noise every once in awhile. It only does it when its cold outside and when the heat is on. It sounds like a flutter, almost like a fan is hitting something, it usually stops when I let off the gas. Anyone else have this problem or know what it might be? Its been to the dealer 3 times and they dont know.

 

Anyone know what it might be?

 

Have you seen my cat lucky he likes warm engine blocks