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Tyre pressure or air pressure is basically its the amount of air inside your tyre, the more air squeezed in the higher the pressure will be, its measured in either psi (pounds per square inch) or bar.

There are a couple of places the tyre pressure setting could be found on your vehicle which are in the owners manual, on the back of the petrol cap cover or on the drivers or passengers door wells.

If you cant find your pressure’s you could see if we have your vehicles pressures listed here:  Tyre Pressures & Torque Settings

How often should I check my tyre pressures?

It is good practice check your all of your tyre pressures including spare at least once a month and before any long distance drive.

Driving a vehicle with under inflated tyres decreases your grip and increases your braking distances. You could also damage your tyres, reduce their lifespan and increase your fuel consumption.

Should a car, van or trailer be loaded or have weight in when checking the tyre pressure?

There is no reason why your tyre pressures shouldn’t or cant be checked when your vehicle or trailer is loaded as long as you don’t exceed the maximum pressure the tyre is rated to (maximum pressure will be marked on the sidewall of the tyre) also you should never exceed the maximum load or weight the tyre is capable of carrying as this could result in tyre failure.

When your car is fully loaded should you increase tyre pressure?

You should also adjust your tyre pressures if you have a full load, pulling a trailer etc, basically anything that has a change on the load carried by the tyre, refer to your vehicles hand book for the correct fully loaded tyre pressure.

Help nowhere lists my vehicles tyre pressure what should I put in it?

Firstly contact your car manufacturers local main agent they should be able to tell you your vehicles tyre pressure.

Secondly check on the back of you petrol cap flap, in your drivers and passengers door posts for the pressure.

The tyre pressure varies from car to car but you can roughly guess a temporary pressure which will help you get home if you have no other options.

  • Look on the tyre sidewall this will have information on the maximum pressure the tyre can handle under no circumstances exceed this limit as serious tyre failure and/or serious injury could occur.
  • Check our tyre pressure charts to see if we list it or something similar with the same tyre size and use that as a temporary tyre pressure (as long as it doesn’t exceed maximum pressure the tyre is rated to)
  • As a last resort and only if you can’t find anything else use, use the estimated pressure guide= a car weighing between 1 – 2.5 ton inflate the tyre to 30 – 40psi* inflate to 30psi* if the weight of the car is closer to 1ton and 40* psi if its closer to the weight is closer to 2.5ton* (as long as it doesn’t exceed maximum pressure the tyre is rated to listed on the side wall)

1 ton approx = Ford Fiesta sized car.

2.5 ton approx = Ford Galaxy sized car.

*while using a temporary tyre pressure drive at a maximum speed of 50mph/80kph, no responsibility or liability will be taken by Pure Tyre for incorrect tyre pressure obtained from this website.

I have driven/drove on my tyre with no air pressure in it, has it damaged the tyre?

Traveling just a few metres with zero pressure in standard road tyre normally damages the sidewall of the tyre beyond repair, inflating the tyre after you have driven on it with no air pressure in it could cause you and others around you serious injury as the side wall etc could have been weakened severely causing it to fail.

Why should I check my tyre pressure when they are cold?

The air inside the tyre expands when the tyre is warm increasing the tyre pressure, inflating the tyre when warm could give you and incorrect tyre pressure reading.

How much do tyres increase in pressure when warm/hotter?

The pressure increases by approximately 2 – 5 psi when warm/hot.

How will I know if my tyres are too warm to check the pressures?

As a rough guide, Driving your vehicle at low speeds (approximately 30mph) for about two – three miles shouldn’t increase the tyres temperature too much and checking the pressures will be fine, where at 70mph for 60 miles you should let the tyre cool before adjusting your tyre pressure.