Originally Posted by elp_jc
I'm mechanically inclined and can't make any sense of that. Next time I have the wheels out for a brake bleeding will investigate. If we have a drum-in-disc parking brake system, we should be able to adjust it from the 'Y' or by the lever.
It’s like a step back in time.
I have attached the diagram from realoem.com
The rear parking brake shoes have an “adjustment screw” (#3) at each rear wheel. You’re setting the parking brake shoe clearance at each wheel first then if needed adjust the brake cable.