So upon startup my car squeaks a few times (not from slipping belt squeak). It runs ok at idle, then while driving the pulsating squeak sound starts occuring after 2300-2500rpms. I still can't figure out where this is coming from. I replaced the smooth idler pulley...didn't help. Replaced the actual tensioner pulley...didn't help. I'm going to check the tensioner pulley on the cog belt next.

Do you guys have any ideas?

 

It is due to u over tighening the pulleys or vise versa.

 

So I should loosen everything up now?

 

Its most like the smooth pulley (to the L). I would do that first and loosen it little by little until u hear less of the squeal. I had to keep doing it until (loosening and tightening it up) u hit the right spot.

 

Smooth pulley (to the L)

Do you mean this one that I just replaced?



or are you referring to the tensioner?

 

yes that pulley (smooth). the pulley to the Left. or the missing one in the pix.

 

kept re-loosening up all the idler pulleys and retightened them a few times. Finally got the squeak to go away.

THANKS Mr_pharmD!!!

 

np, it happened to me and that's how i fixed it.