Serpentine Belt Tensioner
 

Has anyone ever have their belt tensioner go bad. I figured they were either good or broken. I just replaced my alternator and belt. I notice that I can move the pulley end slightly with just my hand after it was all assembled. Everything seems to be working fine. I was just wondering if that movement was normal. Thanks.

There is an operating range for the tensioner. Take a look at the front face of it, there is an indicator that should be pointed within a range that is marked on the tensioner. If it is not, I would replace it.

I suppose it is also possible that the pulley bearing could wear out causing some movement right at the pulley. Just take a close look at it and see if you can find excessive wear.

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fordgasm
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