I took it to different shops for inspection and one shop suggested to change front rotors, brakes pads and brake flush, which I think was not needed but eventually performed the work to fix the pedal issue.
Replacing rotors and brake pads did not fix the issue next he suggested brake master cylinder is bad. So I ordered a brand new OEM master cylinder from Hyundai dealership. He installed it and performed bleeding the brake system multiple times with no success.
After spending so much time and money I don't feel comfortable to have him work on my car and want to do it myself. I have already performed bleeding one more time myself but still, brake pedal goes to the floor and is spongy.
if I pump it while driving, it builds up the pressure but eventually starts going to floor once releasing pedal.
Also, after braking and releasing the pedal I hear a vacuum air sound like its filling the booster.
i am really out of options and looking if someone can point me in some direction on what to check next. I think the new master cylinder could be bad, but its unlikely since I bought it from the dealership and it's Hyundai genuine part. Not saying it can't happen but looking for a suggestion. I could get a replacement of master cylinder as it should be under warranty.
Any help is appreciated. It has been three weeks without a car.
have the same problem?
Tuesday, January 8th, 2019 AT 8:28 PM