Replaced alternator noise quit for couple days but is back
Usually a worn belt. You can try some belt dressing in a spray can to make sure.
SOURCE: how to replace my serpentine belt myself
Well first I suggest that you get a piece of paper an pencil. Draw on the paper the exact position of all your pulley's and then in a different color draw the belt while its on the pulleys mapping out the exact route around each one. Believe me, if you don't and you also don't have the service manual, you will be at it for a while unless you have a very good memory. after that, find the tensioner pully. there should be a 1/2 inch drive opening on the tensioner where you can put a wratchet or a breaker bar. Use a little muscle to move the tensioner away from the belt and when there is enough slack remove the belt with your other hand. Some tensioners have a nut you can tighten to keep it in the "no tension on belt" position. Installation is reverse of removal. I hope this helps. merry christmas
SOURCE: need diagram for placement of serpentine belt for 97 Ford Taurus
Auto Zone has that information on line here. You didn't say what size engine you have or whether it is OHV or DOHC, but according to their numbers, almost 90% of 97 Taurus are 3.0L OHV.
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SOURCE: replace a serpentine belt on a 97 ford taurus
use a 15mm box wrench on the nut retaining the tensioner pulley to pry the tensioner 'arm' against the spring to release belt. note belt routing on decal under hood,or make a sketch,to aid in replacement.
on OHV engine rotate clockwise
on OHC rotate counter clockwise
be sure belt is completely seated on pulleys
SOURCE: serpentine belt makes chirping noise.
When the belts age they dryrot like tires, Twist the belt upside down and bend slightly, You will likely see cracks, Just replace the belt and you should be good to go
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