Leveling Basement Cement Floor - The cracks in the basement wall won't normally weaken the arrangement of your base, but they will cause different problems specifically, water problems.
If it rains outside, especially in the event that you don't have clean and functional gutters, a lot of that water builds up against the outside of your basement wall. Unless you get routine basement wall repair to keep those cracks closed, some of that water will get into your basement through those cracks. Even if your basement has a waterproofing membrane on All the outside walls, a significant enough crack may tear or even shred the membrane and then you are in trouble all over again.
Get Rid of the Crack with Basement Wall Repair - Most homeowners must immediately call a professional when they understand there are traces of water leaking into the basement. Most such cracks can be repaired from the inside in a cost-effective and timely fashion that does not disturb the soil or that which remains of the waterproof membrane on the outside.
The best way to perform the basement wall repair is by injecting an expanding liquid urethane foam to the crack. When the liquid foam encounters water, it expands dramatically, forcing the foam down and up, inward and outward across the whole length and depth of the crack. It dries and becomes waterproof in moments, sealing the crack perfectly. Because it starts as a liquid of about precisely the same viscosity as water, it is going to go anywhere that the water goes. Because it ends up a foam, it's relatively easy to cut away and, if needed, sand down any of those foam which expands inward however usually, that's not a big matter.