Car tyre pressures

What is the tyre pressure for a car? How is tyre pressure measured? Why is tyre pressure important? 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. Car tyre pressure refers to the amount of air that has been pumped into the inner linings of your tyres.

It is measured in pounds per square inch (PSI) or BAR, which is a unit of atmospheric pressure. Maintaining the correct tyre pressure is essential. As well as helping to improve safety when you’re behind the wheel, it can optimise fuel efficiency and extend the lifespan of your tyres. Driving with incorrect tyre pressures dramatically changes the handling of the car and can create a number of different issues depending on whether you have too much or too little air in your tyres. Tyre air pressure is measured in either pressure per square inch (PSI) or BAR pressure , which is the metric unit of atmospheric pressure equal to 14.

Converting between bar pressure and PSI pressure is easily performed using this online conversion tool. Please note: The tyre pressures shown refer to unladen vehicles. If you are transporting heavy loads, please consult your vehicle handbook for the correct pressure. Tyre Pressures Why check your tyre pressure ? For this reason, Formula One Autocentres recommend that you check your tyres as regularly as possible - ideally every couple of weeks.

There are two systems used to measure tyre pressure: bar (metric) and pounds per square inch or PSI (imperial). These are usually quoted together in user handbooks or tyre pressure stickers. PSI if you need to convert. However, pressure recommendations may not take account of any wheel and or tyre size changes and the accuracy of data cannot be guaranteed. Users should consult their vehicle handbook for full approved settings and ensure the car ’s tyre size matches the given data before inflating your tyres to the recommended pressures.

Aim to check your tyre pressures every couple of weeks, with the tyres col using a reliable and accurate tyre pressure gauge. Incorrect tyre pressure can affect your vehicle’s braking, steering and handling, and you may find that you use more fuel too. It can also cause your tyres to wear more quickly and unevenly and potentially result in structural damage. Ultimately, driving on tyres that are not inflated to the correct pressure can cause tyre failure.

Index of vehicle manufactures for tyre pressures , torque setting data and tire sizes. This is commonly expressed as PSI, or pounds-per-square-inch. Appropriate tyre pressure has a huge influence on crucial elements when driving a car.

They consist of: longer tyre life, fule usage, driving safety. There are also some factor that have negative influence: too low tyre pressure or too high tyre pressure. You should always keep tyre pressure recommended by the car producer. Pressure should be measured once in two weeks and before every longer route. Driving on under-inflated tyres affects not only your safety but also your car’s fuel consumption so regular pressure checks make a lot of sense, especially before a long road trip.

Get set for car tyre pressure gauge at Argos. Same Day delivery days a week £3. The recommended tyre pressure for your Prius Plus depends on the size of tyres it has fitted. How to check tyre pressure.

Before you conduct a tyre pressure check, you should make sure that the tyres are cold as this will produce more accurate. This device will help determine if you need to inflate or deflate any of your tyres. Under-inflated tyres require a bigger force to make them turn, so your car uses more fuel.

Additionally, tyres which are not set to their correct pressure wear out more quickly. So, to benefit from lower fuel bills, longer tyre life, increased safety and reduced COemissions, make sure you check your tyre pressures at least once a month and before a long journey. Often it can also be found on a sticker in the car door.

The latter is about bar, resulting in an absolute tyre pressure of 3. How do I find out the correct tyre pressure for my car? To test your tyre pressure, take off the dust cap on the tyre’s valve. Tyre pressures vary dependant on size. Fix on the pressure gauge and make a note of the reading.

Your driver’s handbook will provide you with the correct pressure ratings for your tyres. It is always best to check as the tyre pressure for the front and rear may differ. Remove the end cap on the tyre’s air valve and keep it safe.

Place the gauge onto the valve stem and press down quickly and firmly until the hissing sound of air escaping stops. Check the tyre pressure. Your gauge will now show a reading of the PSI. Two main pressure measurements are used for car tyres – BAR and PSI. You can use our converter to quickly change from one to another.

The best way is to check the tyre pressure label on your car door or check with your car manufacturers maintenance guide. Start with the MICHELIN Tyre Selector to find the tyre pressure for your Mercedes. The stated tyre pressures are indicative values.