How do I inflate my tires

Question

The side of the tires say max psi is 140 (275 kPa). How do I read a pressure gauge to get it somewhere near that? I won't be using the highway that much so I want to set it to a psi good for road conditions. The pressure gauge doesn't have the units on them and it's in intervals of 1 - 2 - 3 etc.

Answer 1

Haha - inflating your tires is silly!  

Just ask John McCain.

Answer 2

best way to do it is as follows. Draw a straight line across the width of your tire with chalk. Then drive it about 100 feet on flat land. If it is worn only in the middle then it is overinflated. If it is worn only on the outer edges it is under inflated. Keep inflating/deflating till its worn the same all the way across the tire and then record the PSI with a gauge. Then do the other tires. No offense but since you dont know how to read a tire guage I would get somebody to help you with this one.

Answer 3

Never inflate your tires by what is written on the sidewall. Look in the drivers door jam and there will be a decal stating the correct tire size  and inflation for you particular vehicle or it may be in the owners manual but usually in the door jam.

Answer 4

when you put 140 psi in your tires, take a video.  'cause it'll be the last one your in when the tire explodes.  no passenger car tire, can hold that much pressure.

Answer 5

go to a gas station

Answer 6

A “normal” car street tire takes around 32 psi. It seems like the tires you are inflating are much larger. You may need to go to a tire shop to see if they can lend you a gauge with higher readings. Most places would  do it for free.  

Answer 7

If you have a truck the psi sounds right.If you have a car it's tale the max psi number on the side of the tires.Use a tire guage at the gas station built in when you stop the air look at the line it's at.This is your reading.Geo

Answer 8

Look in your service book. It'll state what the pressure should be *for that vehicle*. The maximum pressure listing may be a notation that if you exceed that you create a dangerous situation. Tell us what unit kPa is. We don't use that commonly, Is that on a bicycle tire for racing?