(20 Jun 2014, 4:56 pm)Andreos Constantopolous wrote One of the the Wxxx RBB Renowns has a ball bearing or something loose on the panelling towards the rear of the bus - just beyond the step.
Going up a hill, you can hear it trundling towards the back.
Going down a hill, it trundles forwards...
I think I know what you mean, could be 4908? Seems quite dodgy. 4907 seems to be best - considering it was the worst (?) when on the WTX.