Correct regarding the handbrake, there are small shoes, a little like old school drum brakes.
Bing you are homing in on the brakes, but don't rule out bushes etc. might expaling the 'thump' i.e. there may be some movement somewhere.
Bing you are homing in on the brakes, but don't rule out bushes etc. might expaling the 'thump' i.e. there may be some movement somewhere.