Jeep Gladiator, address game

I am from San Juan, and I am putting together a Jeep Gladiator who has a lot of play in the direction, someone can suggest a way of repairing it that is economical .. ??
It is the first time that I participate in the forum ... and I don't know anything about mechanics. I bought the truck because I need it to work ... and if I can put it in conditions, the usaria to go to the field, mainly for traces and mountain roads.
I thank you for any information and help.
Fabricio