My car makes noise what could it be. on 2007 Chrysler Sebring

I took a trip to northern cali and after i got back my car makes noise kind of like a ruff noise not to loud but its a constant noise after the car is running what could it be.

by in Las Vegas, NV on October 16, 2012
1 answer
ANSWER by , October 17, 2012
what kind of noise is it making?