Originally Posted by Chris L.
I was only moving 3-5 mph....going downhill in that parking lot.....it was a LOUD ABRUPT BANG! I was just exploring it's engagement in case I ever wanted to use it on ice like I have used the E-brake on previous stick cars.....
The park brake makes use of a seperate set of brake shoes which engage the inside portion of the rear hub assy. What more than likely happened is that the inside surface of the hub was rusty and when you engaged the parking brake the shoes simply grabbed on to the rust and WHAM !