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).
You will first need to remove the old grout compound. A grout saw or grout removal bit for a rotary tool like a Dremel are good options. If youâre tiling a new surface, make sure all tiles are fully set before grouting. There are different types of grout for different applications.