Hello folks, need some ideas please. Yesterday fitted new discs and Mintex pads. Had a hell of a job to fit the pads, the pistons on one side required a lot of force to push them back into the caliper. First test drive the car pulled very hard to the right, so back home, stripped out LH pads and pushed the brake pedal. The inner piston struggled to move but when it did....what a mess, it was badly rusted. This was obviously why it was difficult to push in when fitting the pads. Despite hav