Is there a way to repair my frame?

I suspect there is more to this than you are explaining since the steering box is not a stress point that would have simply torn without collision, rust or some other reason.

ive had the vehicle for 2 and a half yrs and i bought it used so i honestly dont know what its been through but what ive told you is whats happened to it since its been in my possesion. i havent wrecked it and as far as i can tell there isnt a rust issue only normal driving conditions. what i want to know is if i could have the frame patched up or would it not be a good idea to put any type of heat on it?

"Patching" frames is not an acceptable repair. I have no idea what happened here.

This is a very common problem with 1/2 tons. Especially with trucks running oversize tires.

Aftermarket weld on brackets are available to repair the frame in this area.

I am having an issue similar to this and Hyaeger, anyone have any other ideas?

Hello,

Yes this is a common problem with many SUV's and trucks. I have seen where a plate can be bolted to the frame to rebuild the area and make fresh bolt holes for the steering box. Many off road modification places can help in the fabrication or check out this link

https://www.google.com/search?q=suburban+sterring+box+frame+repiar&oq=suburban+steering+box+frame+repair&aqs=chrome..69i57.11983j0j7&sourceid=chrome&ie=UTF-8#q=suburban+steering+box+frame+repair

Please let us know what happens.

Cheers, Ken