Hi All, hoping someone can give me a hand.
2003 g35 sedan
I have a suspension rattle on low speed bumps, also happens under light braking. It sounds like it's right under the hood almost. It's driving me nuts!
Its worse on the drivers side.

 

First, open the hood and use your hands to push down on each corner of the vehicle to "bounce" the car (this is so you don't dent the fender/hood, push on the strut tower or something stout), you should be able to determine if it's a strut just by the noise and location. If it's not a strut then lift up the vehicle and start pulling around on suspension, steering, exhaust components until you find out what has play in it and is making noise, or take it to a shop and have them do it. Usually pretty obvious when you find the right piece.

 

thank you, I replaced the suspension with a Tein street basis coilovers brand new. It was making that sound before too.

 

My problem when I had the rattle was a loose brake line mount. You really have to pull the wheel and inspect.

It could also be super blown bushings bub.

 

Thank you! Gonna check that out asap