My Overdrive screams when it is engaged - its always done it and has covered thousands of miles like it. I have been told they all do that. Is it true or can I adjust something. makes me go deaf on the overrun.

Whhhhhhhhhhrrrrrrrrrrrrrrrrrrrrrrrr yeah mine does that, assumed mine is worn out...but then I have done probably 13,000 miles mile that and it has not got any worse.

Deafening noise on the overrun though? Mine makes no difference in noise on the overrun.