For some reason my Nismo Suspension is Squeaky in the rear. What could this be? Any ideas? Thanks for your input.

 

my suspension squeaked when i was oem, then went away. now w/ my tein s techs (just springs) they squeak. put sum wd40 on them...no problems anymore.

 

After installing my nismo suspension, I also have noticed a squeak coming from what sounded like the rear suspension. I had been trying for like a week to determine were the sound was coming from, with no luck. Was it the sway bars? Or maybe the rear springs? Well today I was cleaning the inside hatch window and rested my left hand on the strut bar and heard that same squeak! It was coming from the grey plastic cover piece that has the "Z" logo on it. I guess the squeak has always been there. It was just that the new added stiffness accentuated the noise. Time to take the Z up to the dealer.