Squeaky Belts

I Might As Well Kill 2 Birds With 1 Stone.i Have A 2001 Dodge Ram With About 150.000 Miles On It (great Truck ) When Ever The Weather Changes Esspesialy When It's Wet My Serpintine Belt Starts Squeaking Like Crazy. I Have Taken It To 2 Different Places The First One Changed One Of The Pully's & That Seamed To Do The Trick Until The Next Mourning, So The Next Place Changed The Belt Again Worked For A While ( About A Month ). I Took It Back & He Told Me That Mopar Was Having Some Trouble With Certain Belts, So He Put On A New One, This One Was Great All Summer But When Fall Hit & The Weather Changed Back Came The Squeak . I Had Gotten Some Of That Silicone & That Would Stop It For All Of 30 Seconds  any Ideas Out There ( Mopar Or No Car.)