the best way is to remove the motor, you can usually tighten the ones that are there by grinding a little off the metal sleeves that keep you from overtightening them. even when they are new, you can get them tighter. you will want to put a good dose of thin grease in it. replace the tie rode end under there and when you do, cut a small hole in a flat piece of rubber, making something that looks like a washer, about an inch around. now pack the tie rod with grease, then put the washer you made on top. This will stop melted snow from running into this joint and keeping it wet. the way it is stock, it fills up with water and rusts, getting looser