front end

Good evening all. I just had new tires installed on my '08 SXT w/ 152K Miles. The service person told me both lower control arms should be replaced soon. He claimed excessive movement when on the rack. They wanted $765 to replace both. Two questions, first, is it common for the lower control...

I was wondering if anyone Knew where to get a replacement Air dam the previous owner somehow caused the one i have to be curved as if it were missing some plastic.

For the past 2 years the dealership has been adjusting/lubricating a noise in the front of my wifes Caliber. This year it went off warranty as our 2007 Caliber is actually an 02/2006 car. Also our dealer is no longer a Dodge dealer,, so I when the squeaking/crunching in the front started...