Editing Troubleshooting (section)

== Noises whilst Driving ==

'''Grinding Noises'''

''Stones'' - could be stones caught between the brake disc and the brake pad.  Do you have unexpected circular grooves ground out of the disc?  Since the wheel is moving forwards, sometimes a quick reverse can dislodge the stone.  Failing that, remove the wheel and take out the brake pad

''Wheel Bearings'' - When mine went, I got a grinding, whirring noise that was related to car speed, not engine speed.  It was there even when I depressed the clutch and the noise 'wound down' in pitch as the car coasted to a halt.  Can also manifest itself when turning either left or right, indicated a problem side.

'''Clunking'''

my (standard) 111R has just developed a worrying road speed clunk from the rear.
It's only noticeable a really slow speeds (2-10mph) and is even accompanied by a slight 'catching' sensation.   It sounds to me like driveshafts?

Figured it out - it's a sticky rear caliper that binds slightly every revolution.