what is a cross member in the suspension? i have my mazda 3 check after im hearing some squeaking sound after i got a hit on a big hump. then the mazda guy told me that na bend daw ung crossmember and i need it to be replaced. do you have an idea how much will it cost to buy a new crossmember? what will be it's long run effect if i won't change it? what parts of my car will be affected? thanks you friends.