Hyundai IONIQ EV Zero Brake Wear After 12 Months!

Two days away from a service, the Hyundai IONIQ EV gets a flat tyre.
A look at the front disc brakes showing practically zero wear or brake dust after 12 months and 16,000km

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[jamesgoularte]

honda tech here brake pads on evs last the life of the car

[ak_de]

after 10 years ... "sir, your brakes need a new car!"

(originaly "your battery needs a new car" :D )

[error]

Lucky you for living somewhere without winter and road salt.

[pupslace]

... I remember when you got this car. This whole pandemic has really screwed with our perception of time...

[WizardTim]

I wonder what those brake discs are made of, on a normal ICE car they’d start rusting pretty quick without frequent use, interesting that parts are even painted. Pretty funny to see absolutely no wear pattern on it after 12 months.

Also only use that emergency repair kit in an emergency where you are legitimately stranded. The 80 kph max is there for a reason. They fill the tyre with a mess of chemicals that clumps together and makes a mess of the tyre and rim. You’ll have to pay your mechanic to clean it all out, properly patch the hole and re-balance the tyre. Some kits use a large excess of chemicals that very strongly bond to rubber which can throw the tyre completely out of balance making it a total loss.

[WhiffenC]

That main circle is a break rotor, the pads are on either side of the rotor where the caliper is.

The pads usually have a wear indicator, which is a crevasse ( || ) that shows the minimum level the pad can wear down to before needing to be replaced.

The caliper is basically a hydraulic piston that squishes the pads against the rotor.

They look very clean, and there is no rust which is a teastament to aussie weather and not having salt and water everywhere like us in canada, or the brakes have been applied and the surface rust was cleaned.

And that thing inside looks like the ac compressor, with those refridgerant lines coming off.

[MatthewSuffidy]

At 1:25 there is some damage, but maybe not a piercing one.

[alexandrecouture]

The disc would have surface rust if they were not used at all, but yeah, regen braking drastically reduce the usage of the conventional brakes.

[ncot_tech]

My Peugeot e2008 doesn’t have the super strong regen that stops you completely, but for pretty much all my slowing down I let the regen do it, and only have to lightly tap the brakes to properly stop.

When I actually do press the brake there’s a distinct point where it switches from regen to mechanical braking as I push the pedal down, and when it uses both the car really does stop surprisingly quickly!

[steverobbins]

I have a 2007 Prius and I've never had to replace the brake pads. Regenerative braking really preserves the pads, even on old hybrids.

[frollard]

1:25 "haven't found the puncture on it yet" - right at your finger tip in the centre of the tire looks to be a + shaped jabbyjab.

[joopterwijn]

Bloody he…, do the vacuumclean the road over there…😳 that’s looks very clean!

[mikropower]

Not one scratch on the disk ...
But if you want to find the hole in the wheel, then use a flat bath of water.

[bardrick]

Watch those pads: sure they don't wear out, but they might rust to pieces! (They don't get hot enough too boil the water out!) So we're recommending galvanized backing plates with riveted or steaked on friction material.

[SidneyCritic]

It's dead easy to permanently fix a hole with a tubeless repair kit($20), ie, like a tyre shop.
Just pull the nail.
Push the round file in and out of the hole.
Thread the sticky rubber plug through the eye of the poker.
Push the poker in the hole until about 20mm of the rubber plug is hanging out.
Then just pull the poker out.
There should be a vid somewhere, and you can carry the kit and repair tyres on the spot.

[frollard]

One thing I was surprised about with our Tesla - same 'problem' - we virtually never use the brakes. In our salted road environment, that means the brake components can seize up with corrosion. Be sure to get your calipers and motion components in there lubed regularly since they see so little movement - even without salted roads. You're close enough to the sea where it could matter!

[stimie]

I work for Michelin. I’ve been to the plant that makes those tires. If you call the customer service number you might get a replacement tire for free or at least a discount if you’re nice about it.

[Crackedce]

the electric motor you were looking at is the air conditioning compressor

[tullgutten]

Funny how your benefit is a big issue on EVs in Norway.

The brake disks rusts out and makes lots of noise and fail inspections.

Here if the driver doesn't drive it hard/spirited the lifetime of the disk is usually 2 to 4 years max. So it lasts longer on internal combustion vehicles

[Igbon]

It's pretty interesting that the brakes do so little work. On normal cars there has to be sufficient airflow to cool hot brakes. and they do get really hot, which means a loss of aerodynamic efficiency, especially in the wheel design. An EV could probably have super aerodynamic wheels that cut air resistance and noise at highway speeds.