Is this normal movement for the belt tensioner?

[Cobra98]

 

[JoshMcMadMac]

Nope.

 

[Cobra98]

Can u see the video? Sorry posted it using my phone but its not showing in my browser?

 

[JoshMcMadMac]

Can u see the video? Sorry posted it using my phone but its not showing in my browser?

Yup.

 

[HiImBrian]

Yeah, not normal at all. Time to replace the tensioner and your belt.

 

[2Trux]

Check all your other pulleys for bad bearings. It might be another pulley that is causing the movement.

It might also be a loose crank or water pump pulley.