It depends on the year model of the car and the engine that you have.
loosen the tensioner assenbly with a 1/2" drive ratchet or a serpentine belt tool and reinstall the belt according to the diagram under the hood
Just below alternator.
usually there is a sticker right inside the frame of the car near the hinge of the hood.
belt assembly for a 95 Plymouth voyager
The 93 Acclaim has a serpentine belt. The tensioner below the alternator is what keeps the tension. If you have not tension I would replace the belt first and then check the tensioner.
Serpentine Belt Diagram ML320
where can i get a diagram for a serpentine tensioner belt for a 1998 Oldsmobile bravada
go to www.autozone.com and look for vehicle specifications.
a good diagram is on www.hondacr-v.com/2005/serpentine/belt/diagram/
The serpentine belt diagram can be obtained from most Daewoo dealerships. Most auto-parts stores will give you a diagram when you purchase the serpentine belt.
what is the diagram of a serpentine belt for a dodge shadow 1994
serpentine belt diagram for 98 jetta tdi