I have a squeaking sound coming from motor and I've replaced ideal pulley and tension and it still squeaks .... Any ideas what it could be

 

Had a similar problem, replaced the tensioner, which helped a little, but later found that a shop had used silicone on the belt, thinking that would help, which is just dumb in most modern vehicles. Had to replace the belt and clean the pulleys. If its squeaking, its some problem along the serpentine.

 

I spray the belt with a little wd40. See if that stops it. If it does replace the belt.