Question about 2011 Hyundai i30 2.0

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Have a brand new i30 .brake pedal gone to floor on three occasions when braking slowly asked hyundai if any known problem say NONE

Brake gone to floor on 3 occasoins when slow braking

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  • Hyundai Master
  • 21,873 Answers

Usually a sign of a failing master cylinder. You may want to do some internet research to see if there are service bulletins or discussions on the topic.

Posted on Aug 15, 2012

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Posted on Jan 02, 2017

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SOURCE: 2009 Hyundai Sonata-clicking noise at brake pedal,brakes applied

This is not a rich mans car so its normal. Your hearing the solinod that lets you take the car out of park after the brake is depressed so the car can't be put in gear unless the brake is on. If the noise bothers you the soliniod can be found and wrapped in insulation like a rich mans car them you can ride on feeling like a rich man too. ( the Beatles sang that a long time ago) and its still true today.

Posted on Oct 14, 2009

Testimonial: "Thanks. Dealer hasn't been helpful. I'll see how far I can go before I run out of patiencs."

ghost45
  • 1280 Answers

SOURCE: None of the brake lights

You listed this vehicle as a 2006 Accent, yet you write it's a 2010.

If 2006, it's probably the brake lamp switch. However, I've seen all three brake light bulbs burn out within days of each other.

If 2010, it's still under warranty.

Posted on Aug 30, 2011

  • 59 Answers

SOURCE: Hyundai i30 brake pedal creeps

yes your master cylinder is bad. if you apply mild force it goes to floor but if you hold hard it is fine right? yes your master cylinder is bad. if you have not ran out of fluid and had to add some you can rule out air. brake systems dont produce air on their own. i would say a master cylinder and nother person to help you bleed it out will take care of that.

Posted on Sep 25, 2011

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1 Answer

Our ABS light stays on constantly .Lose brake pedal occasionly. Replaced brake pads, caliphers, rotors. Still have ABS light on and lose brake partically.


If you have brake fade that is if you hold the brake pedal down and it slowly goes down to the floor you probably need a master cylinder

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1 Answer

Intermittent loss of brake pedal,only happned three times but customer says it went to the floor


If this is a hydraulic brake system, the first thing to do is to check the brake fluid level in the reservoir. Assuming that it is not down, the problem will probably be in the master cylinder. Try pushing the brake pedal down very slowly. This will not put a lot of pressure on the seals in the master cylinder, and if there is a problem, the brake fluid will leak past the seal allowing the pedal to go slowly to the floor. If you push the brake pedal down rapidly, the pressire on the seal will hold it against the master cylinder wall, and the brakes will hold fine.
If the fluid level in the reservoir is low, look at all of the wheels and slave cylinders to see if you can locate a leak. I don't suspect a leak based on your description of the problem, but it's worth checking.

Apr 04, 2015 | Mitsubishi Cars & Trucks

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Why do i have loss of brake pressure


Long shot: Bad master cylinder - Typically the brake pedal will slowly sink to the floor. On early 2000 vintage Chrysler products you need to check brake lines as they have been known to rust (and fail catastrophically)

Jul 04, 2014 | 2003 Jeep Wrangler

1 Answer

Hyundai i30 brake pedal creeps to floor if moderate sustained forced is applied. No external leaks. Any idea why?


yes your master cylinder is bad. if you apply mild force it goes to floor but if you hold hard it is fine right? yes your master cylinder is bad. if you have not ran out of fluid and had to add some you can rule out air. brake systems dont produce air on their own. i would say a master cylinder and nother person to help you bleed it out will take care of that.

Sep 25, 2011 | Hyundai Accent Cars & Trucks

1 Answer

None of the brake lights on my daughters 2010 Hyundai Accent, come on when she steps on the brake pedal. why?


You listed this vehicle as a 2006 Accent, yet you write it's a 2010.

If 2006, it's probably the brake lamp switch. However, I've seen all three brake light bulbs burn out within days of each other.

If 2010, it's still under warranty.

Aug 29, 2011 | 2006 Hyundai Accent

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I have a 1969 Camaro Z28, I've gone thru 6 master cylinders and when everything is said and done, I start up car and pedal goes to floor no brakes, I've also changed out to new wheel cylinders, new...


power brake booster more likely.check engine vacuum you need at least 15 hgs vacuum before power brakes will work.if you have high lift camshaft that will cause low engine vacuum no power brakes.

Apr 04, 2011 | Chevrolet Camaro Cars & Trucks

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2005 Equinox Brake Problems


My 03 trailblazer does the same thing and the service dept. told me that it was normal for this model to do that, it has never failed to stop but if your sitting at a red light you can feel the peddle go down to almost the floor but it stops fine and it has done this since day 1 and they say thats normal on the trailblazer.

May 15, 2008 | 2003 Chevrolet Equinox

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