Road noise increase after serving..

[clarence]

Hi clarence,

Oh, meaning, when i pump that time, the tyres are having Heat, so it is having higher pressure? So, when i setup to 230 for front tyres, it releases air from my tyres? If so, i cannot pump air in the evening after travelling for 20km then? best time shld be in the morning of evening (a few min after i drive off the car?)

Yes, you are right! 

[clarence]

What I did not understand is why they did it? Itcy hand can't be scratched? Please tell me if this is true...if u pump too much air to ur tyre...it actually will be less dragy on roads thus improves FC but more prone to punch-chik....if less air...more grip on the road but consume more petrol...

Correct!

BUT If tyre is underinflated, it will lead to higher petrol consumption.

More grip is applicale only for off road driving where slight under inflation is recommendated.

[burnolise]

Correct!

BUT If tyre is underinflated, it will lead to higher petrol consumption.

More grip is applicale only for off road driving where slight under inflation is recommendated.

What abt city driving with some construction at the side some times? Go with wat is recommand in the book?

[clarence]

Yes.

Plus an extra 10KPa is fine as air will escape from the tyre over time.

[limck007]

i always pump 245 front wheels, 235 for rear wheels

i find it not bad

[Jazz]

Hi clarence,

Oh, meaning, when i pump that time, the tyres are having Heat, so it is having higher pressure? So, when i setup to 230 for front tyres, it releases air from my tyres? If so, i cannot pump air in the evening after travelling for 20km then? best time shld be in the morning of evening (a few min after i drive off the car?)

Best is less than 5km of travelling from cold. 

[CustomGolf]

What I did not understand is why they did it? Itcy hand can't be scratched? Please tell me if this is true...if u pump too much air to ur tyre...it actually will be less dragy on roads thus improves FC but more prone to punch-chik....if less air...more grip on the road but consume more petrol...

They did not mess with your tyre pressure. Did rotation but never check tyre pressure after that.

[clarence]

They did not mess with your tyre pressure. Did rotation but never check tyre pressure after that.

http://www.nissan.com.sg/service/pkg_psg.cfm

Refer to the above, under the Heading - Inspection - Exterior...
Check all tyres including spare tyre and presure setting

I thought Tan Chong is supposed to check all tyres' pressure too?

How could they have missed out this important check? 

[HumbleCar]

Hi clarence,

Oh, meaning, when i pump that time, the tyres are having Heat, so it is having higher pressure? So, when i setup to 230 for front tyres, it releases air from my tyres? If so, i cannot pump air in the evening after travelling for 20km then? best time shld be in the morning of evening (a few min after i drive off the car?)

Another way is to compensate for the hot air by set the pump pressure a little higher so that you can just pump any time, at your convenience.

[burnolise]

They did not mess with your tyre pressure. Did rotation but never check tyre pressure after that.

Tyre rotation?? But I went in for 1k servicing lei...i tot tyre rotation when mileage hit 10k?