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Hello Everyone!
I had a leak between the brake booster and master cylinder on my 1987 mr2. I read online that its the internal seals of the master cylinder so I bought a NEW master cylinder from amazon. I bench bleed the MC before putting it on and bleed the car at less 20 times; 2 person method, 1 person method and I brought a vacuum brake bleeder. No matter what, the pedal never got firm or any pressure. Sometimes if I pump it a bit, its builds abit of pressure but thats it. The booster