my 98 blazer squeaks almost all the time when im driving but not when im idling, part of it is my front upper A arm bushings but i think theres something else too. any thoughts?

 

It's a blazer! everything squeaks!

 

true haha

 

upper and lower control arm bushings , and the rear leaf spring bushing, I use dish liquid on it works for a little while,pb blasterblaster works longer but not good for the rubber.
replacing them is the only thing that will last longer.

 

Are you even sure it's a suspension related squeaking? The hatch glass, doors, interior panels, etc. can all make various noises.

 

I had the hinge on my hood making a noise that sounded like a suspension problem.