Sticking e Brake Spring

[cv2065]

Finally got my brakes working! Pedal is nice and tight. Had to switch out my calipers (1988 T-Bird variety) and the new ones are working nicely. Pressure bled the rear about 3 times each side to get all the air out.

Only issue I’m running into with these new calipers is the e brake spring mechanism is sticking on both sides when the e brake is pulled. I can get it to release the last inch or so by hand at the caliper but anyone run into this? I’ve read about a spring mod. I’ve attempted to loosen through the spring bolt but that has no effect.

By the way, my spring is covered with a grey coating which I’m thinking is some kind of zinc anti rust coating. I took the spring off of my old caliper but after it expanded I could not get it back on by hand so was reluctant to take it off the new one. What’s the best way to get these back on? Was thinking maybe it just needs to be cleaned up.