Brake pedal goes to the ground b

2003 NISSAN MAXIMA
160,000 MILES • 3.5L • 6 CYL • 2WD • AUTOMATIC
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MAXIMA30
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  • 1 POST
I almost got in an accident backing out of my driveway the other day. For some reason my brake pedal went to the floor and didn't stop. thankfully I used my ebrake!! But today I replaced all my brake pads, replaced a leaky rear passenger caliper, bleed all 4 brakes. And still couldn't get pressure to build up on my brake. It would feel ok for a second or two but with constant pressure it goes all the way to the floor with no normal feeling. It just goes from spongy to a deflated pedal going to the floor. Would this be a master cylinder issue or the brake booster? Or neither? Please help. I'v recently got laid off due to company downsizing and I need my car to find a new job!! Thank you all very much.
Mar 24, 2015 at 9:54 PM
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CATAFINA
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  • 167 POSTS
Replace the master cylinder its leaking internally
Mar 24, 2015 at 11:20 PM
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HMAC300
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old be a master cyl problem but I tmay need bleeding with a scanner to keep the abs valves open . I'd go for the master cyl first however.
Mar 25, 2015 at 7:30 AM
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