Quote Originally Posted by kazam View Post
im manual, and i put my car into neutral wen im travelling at a speed that i dont need 2 stay in gear like especially going downhill or something, and surprisingly my GBOX needs REPLACING and my BREAKS are FINE... very strange... if i dont need 2 become stationary then i just throw it in2 a higher gear, like 3nd would be ideal, but i dont wanna risk the revs going real high suddenly so i'll put it in2 4th, so its not like i force it back in to 2nd or watever..
Of course, because you're not meant to put it in neutral when travelling at speed. What has probably happened is your synchros have worn out when you put it back into gear from neutral when you are at speed.