Dayco.com offers a free online comprehensive serpentine belt reference tool - including routing diagrams and tensioner information.
See "Related Links" below
Installation Notes
Put a wrench on the (spring loaded) tensioner/idler pulley and take out the tension. You can then remove the belt. Replace the belt by fitting it around the pulleys and lastly loosening the tension with the tensioner/idler pulley to allow the belt to fit over the last pulley.
Go to autozone.com, select your make/model and they offer online service manuals. In there, you will find diagrams for serpentine belt routing.
USUALLY UNDER THE HOOD THERE ARE SEVERAL DIAGRAMS ONE BEING THE SERPENTINE BELT IF NOT USE A MANUAL FOR ABOUT 12 BUCKS AT YOUR LOCAL PARTS DEALER
A Google search turned up a hand full of diagrams. https://www.google.com/#q=2001+subaru+outback+3.0+serpentine+belt+diagram
Serpentine belt diagrams for a 1989 Honda Accord LX can be found through auto part stores or service manuals. Service repair manuals will have detailed information regarding diagrams and how to properly troubleshoot any problems.
See "Related Questions" below for a few sources of serpentine routing diagrams.
some vehicles have the diagram sticker under the hood. if not, some brands of belts come with compatible engine size diagrams printed on the cardboard package the belt comes in
GOOYEAR BELTS HAVE A DIAGRAM ON THE BACK OF THERE PACKAGE Sometimes these diagrams can also be found under the hood of your car. In my 1990 cavalier this sticker was located in the area where the serpentine belt goes on.
Serpentine belt diagrams for the 1994 Ford Escort 1.9 liter can be found on AutoZone under the Repair Help section. It also gives step-by-step instructions on how to change the belt.
autozone
go to napa auto parts online
how do i find the auto tension release for the serpentine belt on a 2004solara
You can see the serpentine belt diagram from the 2000 Ford Focus online at places like Focus Fanatics. You can also find this diagram at Go Parts.