I have 94 park Avenue and I changed front brake pads and since then the brake pedal is going to…

I have 94 park Avenue and I changed front brake pads and since then the brake pedal is going to floor? I have bleed the lines and still slowly going to floor.

often that can ruin a brake master cylinder, if you pushed the pistons back into the callipers without releaving pressure going back to the master

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