I just bought a new skateboard, it's great the problem is that when i ollie the trucks or bushings get stuck?

I just bought an almost board by Daewon i bought the board at a store called zumiez. The board was $135.00 cause i got it customized now the problem is that when ever i ollie and land the board gets unbalanced to one side some times. The bushings get stuck now what i want to kow is if i have to buy new bushings or if there's a way i could fix that?