Saturn SC1 Serpentine Belt Tensioner

Today When I Was Driving My Car, There Has Been A Winding Noise And I Thought I Heard Something Fall Off My Car...looking Behind I Didnt See...

If The Tensioner Is Installed Improperly Is It Possible For It To Break The Idler Puller And The Timing Cover. I Had A Mechanic Do The Work...

My Serpentine Belt Was In Shreds When I Raised My Hood After Hearing Clanking Noises. I Took Off The Old Belt And Put On A New Belt. I Tried...