KIA brake issue

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Yuri27

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Hi guys,

I wanted to find out if anyone has had issues with their brakes suddenly not working on a Kia?

I recently bought a brand new Kia picanto and the brakes did not respond when I tried slowing the vehicle down last week.

I sent the vehicle to the dealership so that they could check if there was something wrong with it but apparently they couldn't find any issues with it.

I'm just a bit nervous because it's a dangerous issue. I have checked the Kia forums and hellopeter and people have complained about this issue before.

Any advice on what I could do next? I was thinking a technical inspection at dekra?

I don't want to endangered myself and others by driving a vehicle with unreliable brakes. So I want to be 100% sure that it's fine.
 
Inspection is something you would need to do.
You are not giving much info on the issue. This can be brake servo issues. No communication between the peddle and the break pads.
If you are pressing the peddle and there is some or no response it is a factory fault and you can be entitled to a car replacement or a system overhaul
 
new or used?

if used and recently serviced, did they bleed the brakes or some such?

I had a similar issue once and when I took the vehicle elsewhere the mechanic took a look and said brakes needed bleeding or whatever its called. apparently air gets in when they work on the brakes.
 
Venomous said:
new or used?

if used and recently serviced, did they bleed the brakes or some such?

I had a similar issue once and when I took the vehicle elsewhere the mechanic took a look and said brakes needed bleeding or whatever its called. apparently air gets in when they work on the brakes.
Click to expand...

Was just going to ask/ say that.
The break system might just need a bleed to remove any air in the system.
 
Just guessing, but if its an intermittent problem, it could be a faulty ABS sensor. (Edit, brain fart) Pushing the pedal doesn't (edit: apply full force) to the brakes, if the ABS thinks you are skidding, (edit: less than normal braking force) will happen...

Google: KIA intermittent ABS.
 
Last edited:
It's a brand new Kia picanto 2016 model. I just bought it 3 months ago.

I tried to press the pedal but it was stiff and didn't go in. I pulled the handbrake up to stop the vehicle luckily I was driving slow behind a bus and on a quiet road. I had a family member take a look afterwards and he said the pedal was against the floor and that's why it felt that way. He lifted the pedal back up, pumped the brakes and checked the brake fluid which was fine. I tried pressing the break in later and it felt flimsy so I contacted the dealership to have a look at it

The dealership says they cannot find anything wrong though and I don't know much about cars so I'm not sure if I should trust that or get a second opinion.

I've found these few posts from others who had the same issue:

http://www.kiaownersclub.co.uk/forum/problems-with-foot-brake_topic22458.html

http://www.kiaownersclub.co.uk/forum/brake-failure_topic4373_page5.html

https://hellopeter.com/kia-motors-s...me-endangering-the-lives-of-my-family-2013767
 
Yuri27 said:
I'm not sure if I should trust that or get a second opinion.
Click to expand...
Don't trust their findings. Get a second (and third, if possible) opinion. Brakes, steering and suspension are the three systems on a car that you do not take chances with under any circumstances.
 
Sounds like a leak somewhere, air in the system perhaps, may also be abs linked.
 
Make sure you don't lose your warranty by taking it to a non recognized service place.
I'd take it to the AA if I were you.
 
Gordon_R said:
Just guessing, but if its an intermittent problem, it could be a faulty ABS sensor. Pushing the pedal doesn't directly connect to the brakes, if the ABS thinks you are skidding, nothing will happen...

Google: KIA intermittent ABS.
Click to expand...

It should never be quite nothing that happens.

Odd behaviour sure but not nothing at all.

OP can you explain how exactly it didn't work?
 
Gordon_R said:
Pushing the pedal doesn't directly connect to the brakes, if the ABS thinks you are skidding, nothing will happen...
Click to expand...
No.

Your brake pedal actuates brake fluid. It is always 100% connected all the way to the caliper cylinder. It is designed this way specifically to make it inherently reliable and safe in the event of electronic failure, ABS failure, etc.
ABS simply adds an actuator valve into the master cylinder that can slightly reduce that brake pressure when it senses a wheel lock.

When it happens, it can immediately be felt as a vibration in the pedal as the ABS valve is actuated.
It in no way makes the pedal stick or fall to the floor.
It is impossible not to notice the feeling unless you are completely new to driving I guess.
 
It may be the brake servo unit that is losing vacuum - causing you to lose 'power assistance' when braking, resulting in much higher force to press the brake pedal. It is usually either a leak in the vacuum pipe from the intake manifold to the brake servo or otherwise a faulty non-return valve where the vacuum hose connects to the brake servo unit. Have both checked and/or replaced under warranty & see if that resolves the issue.
 
I don’t know but brakes don’t just suddenly don’t work. And a dealer that can’t find a problem on a simple mechanical hydraulic system does not sound correct. Did you hit something and now blaming the brakes?

A car has a dual system brake circuit so there is a back up. Brakes don’t just fail. At worst if something goes wrong you would lose half your brake force.

Here is my questions and the things a dealer would check.
Is the brake booster working and vacuum pipes connected?
Car switched off pump the brakes till the pedal is hard. Press the brake as hard as you can. Start the car, did the pedal go softer and drop a little?

Is there any brake fluid leaks at any wheel. Will look like wet marks inside fenders and wheels?
Is the brake fluid at the correct level?
Was they system blead?
 
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