[320D_UK]

This sticker on the inside of the drivers door shut shows lots of different tyres sizes and pressures.

Am I reading this right?

225/40 ZR 18 = 2,0 Bar
255/35 ZR 18 = 2,9 Bar

There are lots of posts on tyre pressures for these sizes but many of them say different things to eachother?! :confused

 

[320D_UK]

First pic not working? Hows this;

 

[xXNealXx]

The tyre table is combined for 2 types. So for front tyres - 2,0 bar will be for 4 people max. and 2,9 bar will be for 4 people + another person or lugguage. You can work out the rear in similar way :thumbsup

 

[320D_UK]

oohh I see. its obvious now that you've pointed it out.

Also when is the best time to check or change tyre pressures? cold or warm tyres?

 

[xXNealXx]

Cold

 

[Egon]

Or, if you have to drive to the petrol station to fill your tyres up.....
Measure the pressures at home, writing them down on a bit of paper.
When you get to the petrol station, add the difference to the (now warm) pressure.

(easier to say than to type that...hmm....)


Ideal pressures (for example) are 32psi fronts and 36 rears..
Cold tyres at home:
FNS 30psi (needs +2)
FOS 28psi (needs +4)
ROS 34psi (needs +2)
RNS 36psi (fine!!)

Now drive to petrol station and check the pressures, and then add the pressures required when they were cold....

 

[320D_UK]

Would driving one mile really warm up the tyres enough to give an incorrect reading?

 

[xXNealXx]

Very much doubt it in this weather