I have a 2003 Jeep Liberty Sport. There's a creaking noise coming from the back, I thought it was the axle but it's not. I took it to the mechanic and they said that the rubber seemed dry so they lubricated it. Also, they suggested taking it back if the noise comes back and replace the shocks from the rear end or the mount. Apparently, the noise is still there. Replacing the shocks is a little expensive, so is it really necessary to replace it? or will it harm my jeep if I dont