I have a 2000 S3, and have an issue with the rear brakes. The handbrake section of both the rear calipers are seized and even with the handbrake continuously off the rear brakes don't fully release. While the calipers aren't leaking the pistons have some corrosion on them so it's only a matter of time, the pads are shot and need to be replaced and the discs are in no great shape either but will do if I have to leave them there and have the option to skim them. The brake fluid has been changed.
I tried removing the rear discs for a closer look but they wont budge (and yes I have removed the bearing nut and locating screw), if I use anymore force to try and remove the rear discs I will definitely have to replace them. The rear subframe is heavily corroded so I'm presuming they are being held on with rust.
With all this in mind, for the rear, is there a better caliper and disc setup that is used. I have heard of changing front calipers for Passat ones as they have better braking force with a slightly bigger piston, but is there anything like this for the rear.
Would be intersted if anyone has thoughts on this before I go down the route of replacing the piston and seals in the calipers, changing the pads and probably the discs too.