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Q: idle pulley tensioner on 1999 Dodge Durango

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
just replaced belt and tensioner and still have squeal noticed tensioner moving or wiggling is that normal? spray stops it for a minute then noise comes back.
Have the service center remove the belt and check all the belt driven accessories for free movement. You may have a belt drive item that starting to fail or even the possibility of a faulty new part!
my real question is should the tensioner be moving back and for while running or be stationary?
ive had the same problem and cant really find out why this pulley gives like it does. i have also had to replace the pulley to the right of the alternator due to a worn or broken bearing.
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