Hi,
Can the expert tell what is the effect of damage in internal part of the gear box on the movement/noise?
Tha damage as illustrated in picture links, below:
http://flic.kr/p/bHk5ig
http://flic.kr/p/buqhLs
http://flic.kr/p/buqhBq
And do I have to change it? (unfortunately I can't it locally )