I have replaced all brake lines. I have replaced brake booster and master cylinder and brake pedal still sinks to floor with no brakes. Help
Feb 20, 2023 at 6:24 AM
After replacing the brake lines, brake booster, and master cylinder, the brakes do work and the pedal goes to the floor?
2006 KIA OPTIMA
PATTERSONWINDY
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STRAILER
- ✓ASE Certified Mechanic
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Hello,
Did you bench bleed the brake master before installing it? If not, this needs to be done. Please check out the video below.
https://youtu.be/WDxvEQrMkBg
This guide can help as well:
https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor
If the brake master was bled, then you have air stuck in the ABS unit so the valves inside the unit will need to be held open while you bleed the system. Please check out this video to show you how:
https://youtu.be/nQRnKyVyMuQ
Please let me know how it goes.
Did you bench bleed the brake master before installing it? If not, this needs to be done. Please check out the video below.
https://youtu.be/WDxvEQrMkBg
This guide can help as well:
https://www.2carpros.com/articles/brake-pedal-goes-to-the-floor
If the brake master was bled, then you have air stuck in the ABS unit so the valves inside the unit will need to be held open while you bleed the system. Please check out this video to show you how:
https://youtu.be/nQRnKyVyMuQ
Please let me know how it goes.
Feb 20, 2023 at 12:24 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.