Park Brake Shoe (Rear Disc, Drum-In-Hat System)
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
Applies mechanical output force from park brake actuator to friction surface of the drum-in-hat (of the rear brake rotor).