Oldsmobile Ciera Serpentine Belt

I Replaced My Serpentine Belt But Cannot Set The Tension. It Seems That The Spring Does Not Sprng Back. What Am I Doing Wrong?

1986 Oldsmobile Cutlass Ciera Mileage: 120,000. One Of My Belts Would Squeak When I Turned On My Air Conditioning So I Put Some Wd-40 On The...

Alright So My Alternator Burned Out And I Had To Go Buy A New One. Me And My Buddy Replaced It But Forgot About Putting On A New Belt, And...