Not that I have heard of. My '99 gas is loose also. There are manuals in here that will show you a parts breakdown.
http://www.buggiesgonewild.com/ezgo-gas-tech/ The gas and electric steering box are the same. The assembly is pretty high, you will want to rebuild yours...
One of our sponsors sells ezgo parts, Mikes motor toys.
I always tell people to check all the tie rods, and bushings, but sounds like you have isolated it. We are here if you have more Q's.