Tyre pressure checks and tips

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This might seem like an easy one, but here are some tips on making sure your car is sitting balanced and at the correct tyre pressure. Having the correct tyre pressure across all 4 tyres has many benefits including:

  • Reducing road noise
  • increased fuel efficiency
  • greater acceleration
  • increased tyre life
  • More predictable and increased braking

Here are some easy to follow steps and tips on correctly checking tyre pressure.

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Step 1: Make sure the tyres are cold, (driven less than 3km) tyre pressure should always be taken when the tyre is cold. The pressure inside a tyre can jump around 5 – 6 psi when traveling on the open road or under hot conditions. The recommendation on the tyre wall or in your owners manual will always be when the tyres are cold.

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Step 2: Confirm the manufacturers minimum psi rating for your vehicle. This should range anywhere from 34psi to around 40psi. Remember this is the lowest the tyre should be inflated. This information can be found in the owners manual or on the inside of the drivers door pillar.

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Step 3: Remove the tyre stem cap. This is the plastic extension protruding through the alloy or steel wheel. unscrew this anti-clockwise to remove it. Tip if this cap is green or red, take it your car to a tyre store, some people use Nitrogen or other gases in their tyres to improved performance, this is identified by either a green or a red cap. Never mix air and Nitrogen in your tyres.

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Step 4: Check pressure with a tyre gauge. using a stand along gauge or a gauge on air compressor, check to see what your tyres are currently holding. If you see a dramatic difference in tyre pressure it could mean that one tyre has a slow leak.

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Step 5:  Adjust tyre pressure in each wheel to match the manufacturer recommendation. depending on what kind of driving you do some people like to run slightly more pressure in the driven wheels of their cars. This will slightly increase grip on those wheels and improve tyre wear. A down side to this is that the ride will be slightly harder.

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Step 6: Replacing valve cap. This does not hold air, it is designed to keep dirt and brake dust out of the valve.  If you need to let air out you can push the valve stem until enough air comes out.

Tyre-pressures

If you found a big difference in tyre pressure when checking each tyre, it is a smart idea to keep a close eye on it. I would recommend checking the pressure in 24 hours to confirm that all 5 tyres are holding air. Tyre pressure makes a big difference to the handling and performance of your car, it is best to check it once a month just to be on the safe side.

 

Happy Motoring

 

 

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