Control arms hold front wheels, allowing up and down movement. of the front suspension. The control arm is an important part of the front suspension. It connects the steering knuckle (the part that holds the front wheel) to the vehicle's frame or body, see the photo.
Often, installers use grout in place of caulk for these reasons: 1  The caulk may not exactly match the grout color.  Even when the caulk exactly matches the grout color when installed, it may not match six months later (caulk will age differently from the grout).
1 For grout lines 1/8 or less. 2  Sanded grout will not properly compact into thinner grout lines. 3  Non-sanded grout used in lines 1/8 or more will slump, crack, and otherwise not provide proper fill. 4  For tile that is easily scratched, such as glass and certain porcelains and ceramics. Non-sanded grout used in lines 1/8 or more will slump, crack, and otherwise not provide proper fill. 2  For tile that is easily scratched, such as glass and certain porcelains and ceramics. 3  The sand content in sanded tile grout may damage these surfaces.