Autozone dot com.
I need the routing for the serpentine belt for 1990 Ford 150?
where is the vacuum diagram located on 1995 geo prizm
try www.autozone.com
At the Nico website
Look on the underhood sticker.
you can find it in a workshop manual
what do u want a diagram for I agree with the previous answer, you did not specify what kind of diagram you want. Vacuum, Electrical, firing Order etc. etc.
haynes manual at parts store
with air or with out? There should be a white label on your core support or hood underside to show you with air
The correct routing for a serpentine belt on a 1990 Chevy 350 Van can be found in a Chilton's Automotive Repair Manual. Chilton makes repair manuals for nearly every vehicle.
Under the hood neat the top of the radiator on the right as you look at it.