Terex TS14B steering

My TS14B has been doing great, but a few days ago all of a sudden when you turn the wheel the pan will start to turn normally, but then doesnt want to turn even when you have the fuel to it. Ehen that happens it squeals, like the pump is squealing. It's not very loud but I can hear it and feel it. It's not wanting to turn especially in soft ground. It's almost like it's low on oil in the hydraulic tank but it's full and has good oil. The pan has one leak on it coming from steering pump under...

Terex TS14B steering

Terex TS14B steering