help !!!!!

[boufas]

hey guys i got the dlc chn d38 fright car and since i have downloaded it and installed it i get a funny noise on all my trainz in the scenarios like trains wheels clapping but it very loud and not very good now i have looked at the content manager and disabled the only new sound file that comes with the d38 frieght car and that has not fixed it plz help guys thank you

 

[Euphod]

Does this occur with any cars, or only that particular car?

 

[boufas]

it does it with all trainz on the game and has only done it since i installed the dlc chn d38 train but i turned off the only sound file that come with it and still has not solved the problem :'(