(18 Jan 2016, 5:56 pm)Dan wrote We've discussed this one before - had a quick rake around but can't find the post. Think Michael brought it up originally?
It happens on all of the 09-plate series Optare Versas (and possibly the 10-plate ones too?) It only happens every now and again - it sounds similar to the bell-push sound, but doesn't actually mean that the bell has been pushed. If I remember rightly, someone explained what it was...
The ghost of Go Ahead Northern past......