[autoholic]

Sidewall bulging can be caused by tyre quality or bad roads. If bad roads are the culprit, go for 18-inch wheels with 255/55r18 tyres.

[ENEM]

Hello all
Thank you for your kind words and precious inputs.

Replying to some inputs above:

Brand: Michelin Pilot Sport EV

1. Tyre Size and Structure
- Tyre width: 255
- Aspect ratio: 45
- Radial construction, Tubeless
- Rim diameter: 20 inches
- Made in Thailand
- MAX load: 925 kg, 2039 lbs
- Load index: 105W
- Tread wear 220, Traction A, Temperature A

Before each travel, the tyres were inflated to 36 psi, which on road and climate conditions increased to 39/40. The affected tyre was stable at 38 psi throughout.

2. The maximum payload for Ioniq 5 2WD is 540 kg. Before leaving for our road trip, the weight of the luggage and the passengers and a few other things were calculated at an approximate weight of 370-390 kgs, weighing 150 kgs lesser than the actual payload, staying much within limits.

1. As a cautious driver, I am trying my level best to address either of both to ensure that no other family goes through untoward situations like these.
- Good quality tyres that are suited to the weight of the vehicle and bad road conditions
- Spare wheel

In situations where there is damage to the tyre wall, there is no use of the tyre inflation kit provided by any automobile company.
Concerning this, I cannot help but think of how both these incidents could have been harmlessly tackled in the presence of a spare wheel.

Concerning updates, HMIL requires us to pay some more for a new tyre in order to get home safely, burning our pockets for another 50-70K. The struggle to address need for a spare wheel and as an alternative a tyre of good quality is still long drawn.

The company seems rather apathetic of their customer’s well-being Now I only wish to safely drive back to Bangalore with my family, not to mention, with all our body parts intact, but this time wholly relying on our luck than the tyres.

[sushanthys]

Originally Posted by ENEM

Hello all
Thank you for your kind words and precious inputs.

Replying to some inputs above:

Brand: Michelin Pilot Sport EV

1. Tyre Size and Structure
- Tyre width: 255
- Aspect ratio: 45
- Radial construction, Tubeless
- Rim diameter: 20 inches
- Made in Thailand
- MAX load: 925 kg, 2039 lbs
- Load index: 105W
- Tread wear 220, Traction A, Temperature A

Before each travel, the tyres were inflated to 36 psi, which on road and climate conditions increased to 39/40. The affected tyre was stable at 38 psi throughout.

2. The maximum payload for Ioniq 5 2WD is 540 kg. Before leaving for our road trip, the weight of the luggage and the passengers and a few other things were calculated at an approximate weight of 370-390 kgs, weighing 150 kgs lesser than the actual payload, staying much within limits.

1. As a cautious driver, I am trying my level best to address either of both to ensure that no other family goes through untoward situations like these.
- Good quality tyres that are suited to the weight of the vehicle and bad road conditions
- Spare wheel

In situations where there is damage to the tyre wall, there is no use of the tyre inflation kit provided by any automobile company.
Concerning this, I cannot help but think of how both these incidents could have been harmlessly tackled in the presence of a spare wheel.

Concerning updates, HMIL requires us to pay some more for a new tyre in order to get home safely, burning our pockets for another 50-70K. The struggle to address need for a spare wheel and as an alternative a tyre of good quality is still long drawn.

The company seems rather apathetic of their customer’s well-being Now I only wish to safely drive back to Bangalore with my family, not to mention, with all our body parts intact, but this time wholly relying on our luck than the tyres.

I hope your problems get sorted soon.

On the topic of spare tyre, has anyone tried changing a 18"/19"/20" tyre in a big car?
The last time I changed a spare successfully was 6 or 7 yrs back( 195/60 R15) on my Honda Jazz. The last time I tried to change a tyre was 5yrs back( 185/60 R15) on my Suzuki Ignis; and I failed. I have not tried changing a tyre since then. I simply take it to a repair shop.
These big calibre tyres are very heavy. And the cars are also very big & heavy. If you are on a road trip and has a flat, changing a tyre by yourself is not easy. You will have to do it by getting someone skilled in the job. Not everybody will have the luxury of a driver.
But yes, the value of a spare tyre in the event of a sidewall burst is worth its weight in gold.
It is better to have a spare. Please dont take me wrong in this regard.
My point is, even if you have a spare, a sidewall tear in a remote setting may need expert help and you may have to search for it & find it. Changing a tyre in a Maruti 800 is easy. Not so in the big cars .
The occupants of the latter may not be able to do it by themselves.
Just my personal opinion!

[wheelspinner]

Originally Posted by ENEM

My arguments against lack of provision of a spare wheel and poor tire quality have been long drawn with no closure from HMIL, pushing us into a paradox in the absence of a spare wheel. HMIL has failed in critical safety criteria without both, rendering the car unsafe. Another addition to this thread only reduces my trust in the product and the company, as the efficiency, reliability, and quality of the product is measured only by its consistent performance.

Throughout this struggle, I plan to hold an assertive

The lack of spare wheel is unjustifiably ridiculous. But, I imagine a senior executive must have gotten themselves an award for cutting costs by, say, Rs. 1-2 crores by skipping the spare wheel in a 1000 units.

Also, I heard from a showroom guy that most premium buyers don't want to go through the hassle of installing stepney tire themselves. They would rather get it fixed from nearby shop, take help from RSA or, the likes. One other reason could be to improve the range, as spare tire adds to some weight. Doesn't justify still.

[somersault]

I am sorry for your ordeal. Hope this is fixed soon.

However, as a layman and purely from an understanding that no person in future should face the issue like this, I am unable to understand the issue with Hyundai.

1. Perceived bad quality tyres
As I see, they have provided Michelin Pilot Sports EV tyres for your car. These are one of the best tyres for a premium car. We could blame Hyundai only in case if the tyres offered are 3-4 years old ones or used ones.

2. No spare tyres provided.
The situation of having no spare tyre in this car has been there since the launch. The purchase decision was taken with this situation. Besides, this is not just a one of trend with only this car type. Many premium cars do not provide spare wheels now a days (e.g Audi A4 (No spare tyre with new car | 2024 Audi A4)). It is also not a case that Hyundai has provided every Ioniq 5 with spare wheel but not your car.

3. No support from Hyundai for tyre issue
Tyres being consumable item, wear and tear is expected. Your running is already 13000 KM. It will be difficult to specify the root cause of the bulge or tyre issue to any problem with the company. Because there is a considerable usage, may be goodwill support is difficult for the tyre.

If this is a statistically common problem with Ioniq 5 in India, then it can be generalized to some extent. But we do not have such data.

I am fully empathetic to the situation and hence I would suggest finding the root cause looking at some other direction (perhaps bad roads, high speed drive on bad roads, persistent driving below tarmac or any other area you may be aware which may or may not be in your control). This way, it could be avoided in future.

Sorry if I fully misunderstood the situation.

[Voodooblaster]

Originally Posted by ENEM

Focus:
• Lack of provision of spare wheel by HMIL
• NEED for spare wheel for road safety
• Inferior quality of the wheels

Relaxation in govt regulations is how OEMs get away without a spare tire ( link (New government notification says vehicles with up to 8 seats need not carry a spare tyre) )

Maybe we should write to MoRTH that spare tires are a necessity in India