Brake pedal goes almost to floor

2002 ACURA RSX
200,000 MILES • 2.0L • 4 CYL • 2WD • MANUAL
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SAMTWEEDY
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  • 1 POST
Had bad brake line. So i replaced it the bled brakes. could not regain normal pedal. It will pump up but if you release it then press again it goes almost to floor. I then replaced master cylinder bench bleeding before installation. I then bleed brake system at ABS block then at each wheel in manufacturer's sequence. Pedal still goes almost to floor. I tried adjusting the push rod on the pedal and no luck there. I checked for leaks at all connections but found none.
Feb 16, 2019 at 2:22 PM
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STRAILER
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Hello,

It sounds like you have air stuck in the ABS unit. you will need a scanner that can open the valves while bleeding the system. this is a common problem. here is a guide to help you:

https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor

and

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

Please run down these guides and report back.
Feb 18, 2019 at 11:47 AM