How do you replace the emergency brakes on a GTP 2001?

Answer 1

the emergency brakes are the rear brakes ,so replace the rear pads or shoes

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I believe this answer is incorrect. The GTP contains a miniature set of brake shoes underneath the rear rotors, actually using the inside hub-portion of the rotor as a "drum", as the rear calipers have no cable-operation built in. Remove the rear calipers, pads, caliper mounting brakets, and then the rotors. Replace the shoes as you would ordinary brake shoes. It is very unlikely that these require replacement however (unless you happened to leave them on and dragging for a few hundred miles). It is far more likely that the cables would require adjustment / lubrication for proper operation.