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Old 30th May 2012, 11:26   #46
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Default Re: JK tyres, simply crappy manufacturing quality!

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Originally Posted by sgiitk View Post
Jugi is Jhuggi!
More like Jugi is the abbreviated form of 'jugaad'. And Kamlapat ~ 'kaam la pataa'. Just a play of words that SG was talking about.
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Old 30th May 2012, 12:44   #47
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Default Re: JK tyres, simply crappy manufacturing quality!

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Originally Posted by supremeBaleno View Post
But in general, most people would change tyres based on remaining tread than counting the years.
Biju, that is what we used to do in those amby/padmini days when cars rarely go over 50 kmph and are rarely driven for more than 15kms at a time. Also those were hard (rock like)compound tyres.

Basically, the rubber loses it's properties and starts to disintegrate after 4-5 years. The better tyres such as Michelins, Yokos, Bridgestones etc lasts a little more longer but they are also past their expiry dates meaning, you will not have the same grip, more noise and the chance of a blow out at anytime.
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Old 30th May 2012, 15:53   #48
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Default Re: JK tyres, simply crappy manufacturing quality!

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Originally Posted by SS-Traveller View Post
More like Jugi is the abbreviated form of 'jugaad'. And Kamlapat ~ 'kaam la pataa'. Just a play of words that SG was talking about.
Jhuggi is as in Jhuggi Jhompri - dilapidated hutment, the same as the state of the group. except for Hemantpat Singhania's Raymonds all are nearly dead.
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Old 30th May 2012, 16:13   #49
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Default Re: Stay away from JK tyres - simply crappy manufacturing !!!quality

If I were the kind that do not bother about the tyres, I would not have really felt bad about these tyres going bad - would have assumed that it is probably due to lack of regular care. But apart from regularly checking/topping up air in all the tyres atleast once a month, I also do tyre-rotation every 5000kms. And since I do this myself (consider this as a 1-hour exercise routine), I can clearly see the state of each tyre when I remove it and move it to its rotated location - helps catch any unusual wear or damage or swelling much in advance.

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Originally Posted by phamilyman
Another theory - my JKs did 50k in under two years - yours have lasted 5 years. Does alot of standing in the sun or simple age have anything to do with the behavior you noticed? I'm just suggesting that it may be bad luck or deterioration due to the elements.
The car is parked in a covered garage in Kerala (where not only does it rain most of the year, but the greenery is so all-pervasive as to block the sun). I would have taken bad-luck as a possibility if it was just 1 of the 5 tyres, but 3 of 5 is too big a sample to leave to luck. Plus others also have reported issues with the same tyres.

@esteem_lover, while we have indeed moved away from the Padmini/Amby days, the car in question is used mainly by my Dad and normally sees only the kind of usage you mentioned - 50-60kmph and 10-15kms drive into town and back. Even when I use it, the Kerala NH being the unsafe 2-lane median-less road it is, speeds never can be more than 70-80 if one wants to be safe.
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Old 10th June 2012, 23:01   #50
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Default Re: JK tyres, simply crappy manufacturing quality!

@supremeBaleno, you missed my point. I was simply referring to the age of your tyres, they are 5 years old and they are past their prime. The fact that they lost shape is due to the quality of the bad rubber ( a small price to pay for choosing a bad one), BUT, they have served your car for a tyre's lifetime. If this had happened at 2 years, Yeah. I am not batting for JK tyres 'cos I know they are bad tyres, but I feel you had a good run with them for 5 years. Going by the tread left in the tyres is not a good option is what I am saying. We replace simple parts like fuel and air filters at regular intervals and rubber belts etc at their own intervals, we are not looking at them and saying, 'Yeah, they are fine, why replace them', right ? Even more crucial parts like timing belt, break pads, calipers, drums, rotors also NEED to be replaced at the right times if we want a trouble free experience of owning a car.


In 2003, a friend wanted to buy the Zen and he took me to the showroom and I insisted that we select the car which will be booked for him, the cars were in the yard. We went there and we saw that they came with MRFs, JKs, Apollos etc., but I made him to take the one with the MRFs 'cos at that time with the given choice, they were the best.
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Old 11th June 2012, 19:08   #51
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Default Re: JK tyres, simply crappy manufacturing quality!

Quote:
Originally Posted by esteem_lover
The fact that they lost shape is due to the quality of the bad rubber ( a small price to pay for choosing a bad one)
Yes, now I know after hearing from others on this thread that they are a bad brand in general. But we did not 'choose' them - they came as OE with the cars. And as if this was not enough, when I checked the tyres on our A*_AT, they happen to be the same JK Vectras (only that they are 13", compared to the Swift's 14"). Dont know what issues we are going to see on that one.

Quote:
Originally Posted by esteem_lover
Going by the tread left in the tyres is not a good option is what I am saying. We replace simple parts like fuel and air filters at regular intervals and rubber belts etc at their own intervals, we are not looking at them and saying, 'Yeah, they are fine, why replace them', right ?
You are right - we just go by the schedule mentioned in the manual and replace parts as recommended by the manufacturer. I am ignoring the exceptions like air-filter (where change duration depends on operating conditions - dusty vs non-dusty) or disc-brake pads where wear depends mainly on the driver - heavy brake-use vs use of engine braking (plus there is also a visual indicator that is used to know if they are due for change).

But the problem with tyres is that the car-manufacturer does not recommend a similar tyre-change duration. In the periodic maintenance schedule of the car-manual, all that is mentioned is ''Rotate and Inspect every 5000km".

There is another section on Tyres in the car-manual where the following is mentioned :
Check that the depth of the tread groove is more than 1.6 mm (0.06 in). To help you check this, the tyres have moulded in tread wear indicators in the grooves. When the indicators appear on the tread surface, the remaining depth of the tread is 1.6 mm(0.06 in) or less and the tyre should be replaced.

As you can see the car-manufacturer is recommending tyre-replacement based on the tread-wear check. And if one looks for help from the guys who make the tyres, none of them sets a life for their tyres after which it should be changed. All they will say is about the need for annual regular inspection by a specialist after 5 years and confirmed replacement after 10years even if tread is good.

So, given the lack of clarity, people have to resort to checking the tread-wear (we even have a method to check wear on tbhp - using a 1Re or 2Rs coin) to decide on replacement. I do understand that there are people who just chuck their tyres every few years irrespective of tread-wear, but IMHO that is not the general trend in India or abroad, with most people going by tread-wear to decide if they are due for replacement.

Last edited by supremeBaleno : 11th June 2012 at 19:13.
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Old 15th June 2012, 00:25   #52
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Default Re: JK tyres, simply crappy manufacturing quality!

I have a set of JK tubed tyres on my ALTO. They have served very well for the past ~5years and 38k KM. No problems and they are in shape and look good to go for atleast 10k KM more. This after taking some abuse and also me being lazy and doing alignment and balancing only after 10k KM.
I remember i once had a puncture at night and had to drive on without replacing tyre for nearly 5KM. Tyre was very hot and I was expecting that tyre would be finished but to my surprise i was told that it was still in good shape and still in service as stepney.

I think it may be a bad batch that has turned out badly. The ride may be hard but reliability and quality wise i would go for them again and even recommend them to others.
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Old 6th September 2013, 15:10   #53
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Default Re: JK tyres, simply crappy manufacturing quality!

BHPians just stay away from JK. especially Vectras.

Not even 15k and 2 were deformed, bulge to be precise. I was confused after multiple trips for alignment, balancing and rim straightening.
I replaced one under warranty by paying for whatever i had used. But the other one i am not going to replace under warranty. Coz ultimately i am being fed Vectras only, although for nominal amount.

They are super hard, average grip and very noisy, even for an esteem. You feel as if you are driving a truck !

Go for michelins , goodyear etc. But no JK atleast for me !
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Old 18th December 2014, 14:44   #54
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Cool Re: JK tyres, simply crappy manufacturing quality!

same experience here with the crappy OEM JK tyres that came with my swift. I had not even driven 25K in it before it had very uneven strange wear. Some tyres had become bald in one side, other tyres had step wise wear with caused severe jumping and very low stability.
To be honest I did not realize how much i was affected till I had replaced it with an up-sized faken sincera. The ride and grip on the new tyres is so nice that I feel I have a new car now
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Old 29th December 2014, 16:16   #55
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Default Re: JK tyres, simply crappy manufacturing quality!

Was checking / topping-up air in the Swift's tyres, when I thought it was a long time since I checked on the stepney (the tubed-tubeless junk from JK tyres) and find the air-pressure to be zero. Try to inflate it using the portable 'Slime' compressor, but no success. I think it must be a puncture and try to remove the tyre from the spare-wheel well only to pull back my hand due to a sharp pin-prick on my finger. Carefully take out the tyre to see it like this.
JK tyres, simply crappy manufacturing quality!-20141229_091345.jpg

JK tyres, simply crappy manufacturing quality!-20141229_091359.jpg

JK tyres, simply crappy manufacturing quality!-20141229_091410.jpg

What to say about this piece of crap that is sold as a tyre ? A tyre that just sat in the spare-wheel well has become like this with the steel wires outside, the tyre cut at the side etc.

So, of the 5 OE JK-Vectras, this is the 3rd one that become a mass of twisted rubber. Two more to go. Stay away, far away from the useless tyres from JK tyres.
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Old 29th December 2014, 17:04   #56
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Default Re: JK tyres, simply crappy manufacturing quality!

I vowed never to touch JK tyres long back when even a slightly stronger braking would mean my car skidding by means of wheels locking. I even got my brakes inspected for that.

Thankfully, all has been good since I changed to Michelins.
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Old 29th December 2014, 17:43   #57
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Default Re: JK tyres, simply crappy manufacturing quality!

Quote:
Originally Posted by pandabear View Post
I had not even driven 25K in it before it had very uneven strange wear. Some tyres had become bald in one side, other tyres had step wise wear with caused severe jumping and very low stability.
Uneven wear could point to a bad alignment, over/under inflation or worn out shockers. Get that sorted out or it'll eat up your new tires as well. Definitely not a tire issue.

Quote:
Originally Posted by supremeBaleno View Post
I think it must be a puncture and try to remove the tyre from the spare-wheel well only to pull back my hand due to a sharp pin-prick on my finger. Carefully take out the tyre to see it like this. ...
What to say about this piece of crap that is sold as a tyre ? A tyre that just sat in the spare-wheel well has become like this with the steel wires outside, the tyre cut at the side etc.
That is bad. But its hard to believe it turned into that while sitting in the boot. Something must have damaged the tire (internally) before it was stored. Probably a bad impact, that caused a puncture and made you move this one to the boot. BTW, that tire is already bald on the edges, were you running it under inflated for a long time? Not good for any brand of tire.

Quote:
Originally Posted by saket77 View Post
I vowed never to touch JK tyres long back when even a slightly stronger braking would mean my car skidding by means of wheels locking. I even got my brakes inspected for that.

Thankfully, all has been good since I changed to Michelins.
We all know JKs are harder compound designed for longer life than better grip. Good you moved on to tires that better suit your driving style. JK normally make tires to cater to the Indian masses, who would not buy same brand again if a tire fails before they can see its steel braids . FYI, JK also makes soft compound slick tires for Polo cup, here in India itself.

Last edited by black_rider : 29th December 2014 at 17:46.
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Old 29th December 2014, 18:50   #58
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Default Re: JK tyres, simply crappy manufacturing quality!

Quote:
Originally Posted by black_rider
That is bad. But its hard to believe it turned into that while sitting in the boot. Something must have damaged the tire (internally) before it was stored. Probably a bad impact, that caused a puncture and made you move this one to the boot.
Well it was made the stepney as it was the worst of the 3 Vectras. But no impact, atleast nothing that was visible. Infact, some weeks ago, one of the rear tyres got punctured and while getting it fixed, the tyre-shop guy had topped-up air in this stepney tyre too - so whatever damage is seen has happened in last few weeks.

Quote:
Originally Posted by black_rider
BTW, that tire is already bald on the edges, were you running it under inflated for a long time? Not good for any brand of tire.
The recommended air-pressure for Zxi tyres is 29psi. I keep the pressure at 31psi (+2psi more than recommended) and regularly check the pressure. Under-inflation is not a possibility.
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Old 29th December 2014, 19:33   #59
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Default Re: JK tyres, simply crappy manufacturing quality!

Well, a tire worn worn out on both outer edges is a sign of running under inflated. You'll easily find this information on the internet. Maybe the tire was running with a puncture for a long time, so losing air fast, faster than your refill intervals. Also, fill tires when they are cold.

Since your tire was old, it could have taken a hit anytime during its life, something you may not even recollect, results of which showed up now. Tires are really strong things, with steel wires and hard vulcanized rubber, they would not tear up by themselves like this, that too just lying around. For sure this damage would have shown up as a bulge, which was not caught, before disintegrating.

About bad quality. Tire manufacturing facilities have automated machines and human operators too. Errors can and do happen, on both. Almost all faulty products are caught and scrapped, but minor things can get through quality checks as well. They try to keep PPM to the minimum and replacements are made when a buyer's case is proven. But sadly given the tire's age, this one would not qualify. Thankfully, it did not happen when mounted. Do take care of yourself and your tires.
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Old 30th December 2014, 02:27   #60
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Default Re: JK tyres, simply crappy manufacturing quality!

I ran on the stock JKs in my Swift Vxi for 62,000km between Jan '08 and June '10. The tyres started to develop minor bumps on the sidewalls towards the end. The spare tyre which had about 50% of the tread left did, inexplicably, start to come apart on its own.
Taking curves on the highway was a scary affair and wet weather grip was a bit shaky.
I would not wish these tyres on my worst enemies.
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