on the front have to remove pads and check caliper piston is not seized,check pads are nice and free in the bridge where the pads are mounted also the caliper slides under the two small gaiters are not sticking.Assemble with copaslip on all mating surfaces.On the rear check the h/brake cable isnt seized and the levers on the shoes are free,check the adjusters are all turning and again assemble with copaslip.
wickham
July 2010