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Old 7th January 2017, 11:58   #31
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Default Re: Tyre Safety = Your Safety. How to care for your Tyres

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Originally Posted by Sparky View Post
I would like to put my experience of filling nitrogen air. Recently, I filled the nitrogen air in both my car, Corolla and Celerio. The nitrogen air was filled by completely deflating the tyre first, filling some nitrogen and deflating again, finally filling the tyre with nitrogen air.

I drove the Corolla for 300 kms same day, and I could feel the difference. The drive felt smooth, like the wheels are gliding smoothly and evenly. Even the drive was little less jerky compared to past drives with normal air. Next day, when tryes of Celerio was filled with nitrogen, I could feel the same difference. The drive became smooth and less jerky.

I made sure that the air gauge shows same pressure for normal air and nitrogen air. The pressure was checked before filling the nitrogen, and after also, just to be sure.
So is it just my perception, or does nitrogen air really make difference?
It is just your perception. Nitrogen is not a magic fluid to make such a big difference.

It is possible that the Nitrogen machine's gauge is a bit different from the normal air gauge and this means your tyres are running at a pressure better suited to your cars?
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Old 7th January 2017, 13:25   #32
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Default Re: Tyre Safety = Your Safety. How to care for your Tyres

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Originally Posted by Nikhilb2008 View Post
It is just your perception. Nitrogen is not a magic fluid to make such a big difference.

It is possible that the Nitrogen machine's gauge is a bit different from the normal air gauge and this means your tyres are running at a pressure better suited to your cars?
+1 to that. It's purely perception. Nitrogen filling in anyway will not result in identifiable difference in ride comfort between the old atmospheric air condition / new Nitrogen filled condition.

Also, the point to be noted is that atmospheric air also contains 78% Nitrogen

Pure nitrogen in the range of 98%+ purity helps to some extend in preventing the heat buildup. As the density of Nitrogen is slightly more than normal air (almost 3% denser - also slightly bigger molecular size) the frequency of pressure check / top up will be sightly decreased.

Aircraft tyres use pure nitrogen to prevent heat build up during the touch down and high speed running.

Normal road side Nitrogen filling facilities lack the control / governance to verify the purity of Nitrogen. It's anybody's guess what will be the purity. Generally, it does not go above 90-92%.
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Old 1st April 2017, 22:49   #33
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Default Re: Tyre Safety = Your Safety. How to care for your Tyres

Hi guys, I have a question. Posted the same in the Eon thread but didn't get a response, so posting here. Any help would be appreciated.

I got my 2nd service (after 1 year, 8500 kms mileage) done yesterday. During delivery, as it was dark, I specifically asked the service advisor if wheel rotation was done, and he replied yes. On coming back home and checking, I found that the spare wheel was still the new, unused one. I called the advisor right away and he came up with the explanation immediately that they did it, but on driving, the car started pulling in one direction, so they reverted it. If I still want to do it, I can come over and they will do it for anyways.

I visited the service center again to have a more detailed conversation with the advisor. He explained again that they had did the rotation by swapping the front and rear tyres, but the car started pulling in one direction, which isn't safe, hence he asked the mechanics to revert to the original configuration. On asking why wasn't the spare wheel was also put on while rotating and testing, he said that as it was pulling even with the existing set swapped, there is no way it would have been fine to do it with one unused and 3 used tyres. Plus that as both front and rear wheels had almost equal wear as of now, it would be better to continue like this till the next service (2years/20k). Till that time, these should be a difference in wear on the front and rear, so rotation will be more relevant at that time.

Now, I have a few questions. Could his explanation be genuine or is he simply bullshitting on being caught? If the car was really pulling, isn't it an alignment problem which they should have fixed (they charged for wheel alignment and balancing)? What should I do next? Get it done anyways, leave it as it is, or get it done from somewhere outside?
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Old 1st April 2017, 23:16   #34
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Default Re: Tyre Safety = Your Safety. How to care for your Tyres

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Originally Posted by Dhawal20 View Post
Now, I have a few questions. Could his explanation be genuine or is he simply bullshitting on being caught? If the car was really pulling, isn't it an alignment problem which they should have fixed (they charged for wheel alignment and balancing)? What should I do next? Get it done anyways, leave it as it is, or get it done from somewhere outside?
Attaching the extract from owner's manual.
With a full size (or same as ground wheels) spare wheel, all 5 wheels to be rotated. They can't leave the spare untouched, unless the spare is of different size or material (Steel against alloy)

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If any (or few or all) of the tyre has uneven wear, you may experience vehicle pull. Which may or maynot get corrected by itself after covering few hundred km. Other reason is wheel alignment as you suspect, get it checked again.
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Old 1st April 2017, 23:27   #35
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Default Re: Tyre Safety = Your Safety. How to care for your Tyres

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Attaching the extract from owner's manual.
With a full size (or same as ground wheels) spare wheel, all 5 wheels to be rotated. They can't leave the spare untouched, unless the spare is of different size or material (Steel against alloy)
That exactly was my point to them too, that why did they even try without putting on the spare wheel as all 5 are identical steel wheels. There doesn't seem to be any uneven wear, at least not to the naked eye.

Thanks for the help. Will visit them again tomorrow and speak to the SA. He is quite slow and adamant though, and doesn't seem to make much sense while explaining.
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Old 18th July 2017, 14:45   #36
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Default Re: Tyre Safety = Your Safety. How to care for your Tyres

Question on the tyre valves. Did not find a thread specifically for it and hence thought of posting it here. Which are the good quality ones in the market and how much do they cost? How do you identify the ones which are of better quality?
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