1995 Hyundai Accent Brake Pedal to Floor

HYUNDAI
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A2NETT
  • MEMBER
  • 1 POST
1995-Hyundia-Accent-100900.01 miles: The brake pedal lost all resistance & went straight to the floor when I stepped on the pedal. I pumped them 3-4 times & the pedal came up partially. I had to use the emergency brake to avoid from crashing on the freeway. What could be the reason for the lose of pressure or(whatever it's called) in the brakes? It just seems odd, especially since I keep my car serviced regularly, It just had a full tune-up at the dealers & I requested for the brakes to be inspected do to a noise. They said it needed a rear brake kit, other than that the brake system was fine & this was just 4 months ago. What hold cause such a dangerous condition in such a short period of time. Thank you for your time & it is greatly appreciated, Sincerely, AntoinetteDF
Mar 8, 2006 at 10:38 AM
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FISHERMAN
  • ✓Experienced Mechanic
  • 937 POSTS
with your car in parking and the engine "off" press the brake pedal with not to much pressure and feel if the pedal slowly goes to the floor.. if so, you probably need a master cylinder (leaking fluid trought the inside seals)

be sure that you get it repair as soon as possible brakes its the most important thing in the vehicle.
Mar 8, 2006 at 2:55 PM

Suggested Repair

With the car in park and the engine off, press the brake pedal with moderate pressure. If the pedal slowly sinks to the floor, replace the master cylinder, which is likely leaking past its internal seals. Have the brakes repaired immediately before driving.

Conversation Summary

The owner of a 1995 Hyundai Accent said the brake pedal suddenly lost resistance and went to the floor on the freeway. Pumping restored only partial pedal, and the parking brake was used to avoid a crash. A dealer inspection about four months earlier had recommended a rear brake kit but found the rest of the system fine. The expert advised testing whether the pedal slowly sinks with the engine off, which would indicate an internally leaking master cylinder that should be repaired as soon as possible.

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