My suspension is squeaking in the rear like something is rubbing, so i got underneath it and took a look. Is there supposed to be a bushing between the bottom of the coil spring and the control arm? There is a bushing on the top, which is pretty corroded and needs to be replaced as well. The reason I ask is because I went to autozone and o'reilly and neither of them had anything like this. I cant find anything online either so far. Is this something I need to go to the factory for? My friend was able to find some at autozone for his mustang; I think they called them spring insulators.

 

between the bottom of the coil spring and control arm? Do you mean where the spring sits on the perch? If so, no, there is no bushing. Try spraying all your control arm bushings with WD40 or liquid wrench, something slippery. If everything is dry rotted, it may be time to replace the bushings in the control arms and sway bar end links. Very simple to do.

Or what you can do is have someone stand in your rear hatch compartment. Lay un the ground beside the car close to the rearend. Have them bounce up and down, maybe you can locate the squeak.