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TYRE PRESSURES

Why should tyre pressures be checked?

It is essential to check tyre pressures regularly and at least once a month, before long journeys and when vehicle load increases or decreases. Keeping to correct tyre pressures improves road safety and can significantly increase the lifespan of your tyres.

Under Inflated Tyre

Under inflated tyres

Under inflated tyres affect road handling, making it harder to steer round corners, your tyres are more likely to overheat, which increases the risk of a tyre blowout and being involved in a tyre related accident.

Under inflated tyres usually cause rapid wear on the outside edges and your tyres may become illegal, they also affect braking performance and increase your fuel consumption, so doing simple checks will not only keep you safe, but also save you money.

 

Over inflated tyres

Over inflated tyres can cause the sidewalls and tread to become harder, resulting in reduced traction and an uncomfortable ride. Over inflated tyres increase the risk of a tyre blowout and being involved in a tyre related accident.

Over inflated tyres will cause rapid wear in the centre of the tyre, as reduced traction puts more pressure on the centre of the tyre. The decrease in contact with the road causes the engine to work harder, increases fuel consumption and may affect braking performance, so doing simple checks will not only keep you safe, but also save you money.

Are under inflated tyres illegal?

Not essentially, but under inflated tyres tend to cause uneven tyre wear and could mean that the full width of your tyre tread may not be legal. Also, if the TPMS warning light is ignited you will need to check your tyre pressures as soon as possible, otherwise your safety will be compromised and your tyre's lifespan will be reduced. Please be aware that warning lights may cause your vehicle to fail its MOT.

 

Are over inflated tyres illegal?

Not essentially, but over inflated tyres tend to cause uneven tyre wear, especially to the centre of the tyre and could mean that the full width of your tyre tread may not be legal.

 

How tyre pressure should be checked?

Tyre pressures can be found in your vehicle's handbook, are usually stamped in the sill of the driver's door and can sometimes be found inside your fuel cap. There will be different settings for fully loaded vehicles, so please remember to check these, especially if carrying extra passengers or any additional weight, i.e. luggage. These should be checked using a tyre pressure gauge (which we strongly recommend that you buy) or at a local petrol station. You can also bring your car along to any National Tyres and Autocare branch and we'll check and adjust them FREE of charge.

If you're having difficulty locating your tyre pressures, you can check your recommended tyre pressures by entering your registration number into the search box above.

What tyre pressures for my car?

These can be found in your vehicle's handbook, driver's door sill or sometimes inside your fuel cap. If you can't find the correct tyre pressures for your vehicle, please use our tyre pressure lookup system above or call into one of our branches for a FREE check.

 

Are tyre pressures checked in an MOT?

Tyre pressures are not checked in a vehicle's MOT, but if you have a faulty TPMS (tyre pressure monitoring system) this will fail the MOT.

What is the correct tyre pressure for my car?

All of our branches offer a free pressure check
Autogreen tyres
Avon tyres
Bridgestone tyres
Continental tyres
Dunlop tyres
Firestone tyres
Goodyear tyres
Michelin tyres
Pirelli tyres
Sailun tyres
Uniroyal tyres
Yokohama tyres