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97 GTP brakes not working right

L

LJr22

New member
Any help is greatly appreciated. I have a 1997 Grand Prix GTP that I replaced 2 calipers on and now the master cylinder and I still have a sponging brake pedal. I have bled the lines till all I get is fluid and no bubbles at all and bench bled the master cylinder but the pedal remains soft. If more information is needed feel free to ask.

Separately am so frustrated with this damn car I am considering selling for anyone interested. Has new tires and struts, newer brake pads, rotors, 2 calipers, radiator, condenser, water pump, fuel pump. Will listen to all offers and I can provide pictures to those interested. Thanks
 
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the only other thing i can tink of is the shims on the back of the brake pads, if you have buffed them or sand blasted them it causes them to overheat and bend outwards causing a soft brake pedal. even if you havent sand blasted or buffed them you should take them off and find out if it solves your problem.
 
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