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The tyre tread looks frail

Symptom: Wear on both edges

car edito infographic wearbothsides tips and advice
More on Tyre pressure

Diagnostic: Under-inflation

  • Reduces tread life through increased tread wear on the outside edges (or shoulders) of the tyre
  • Generates excessive heat, which reduces tyre durability and can lead to tyre failure

  • Reduces fuel economy through increased rolling resistance

Solution:

Add air to your tyre until it reaches the proper air pressure (psi: as measured by an air pressure gauge).

To find the proper air pressure, consult your vehicle owner’s manual or find your recommended psi on the sticker in your door.

Symptom: Wear in the Centre and Excessive Wear

Diagnostic: Over-inflation

  • The centre of the tread bears most of the load and wears out faster than the outside edges.
  • To prevent this, always check tyres when they’re cold, before they’ve been driven or at least three hours after.
     

Solution:

Take air out of your tyre, using a tyre pressure gauge, until your air pressure reading matches your vehicle manufacturer’s recommended psi.

To find the proper tyre pressure, consult your vehicle owner’s manual or find your recommended psi on the sticker in your door.

car edito infographic wearcenter tips and advice

Symptom: Uneven Wear

car edito infographic unevenwear tips and advice
More on Alignment

Diagnostic 1: Poor alignment

Uneven front or rear tyre wear means that you need an alignment.

Solution:

Many vehicles today are equipped with rear suspension that can be adjusted for alignment. If this is the case, your vehicle may need a "front-end" alignment or a "four-wheel" alignment, depending on the symptoms you are experiencing. See your tyre dealer for an inspection.

Diagnostic 2: Over-inflation issue

  • The centre of the tread bears most of the load and wears out faster than the outside edges.
  • To prevent this, always check tyres when they’re cold, before they’ve been driven or at least three hours after.
  •  

Solution:

Take air out of your tyre, using a tyre pressure gauge, until your air pressure reading matches your vehicle manufacturer’s recommended psi. To find the proper tyre pressure, consult your vehicle owner’s manual or find your recommended psi on the sticker in your door.

Symptom: Scalloped

Diagnostic 1: Poor alignment

Uneven front or rear tyre wear means that you need an alignment.

Solution:

Many vehicles today are equipped with rear suspensions that can be adjusted for alignment. If this is the case, your vehicle may need a "front-end" alignment or a "four-wheel" alignment, depending on the symptoms you are experiencing. See your tyre dealer for an inspection.

Diagnostic 2: Over-inflation issue

The centre of the tread bears most of the load and wears out faster than the outside edges.
To prevent this, always check tyres when they’re cold, before they’ve been driven or at least three hours after.

Solution:

Take air out of your tyre, using a tyre-pressure gauge, until your air pressure reading matches your vehicle manufacturer’s recommended psi. To find the proper air pressure, consult your vehicle owner’s manual or find your recommended psi on the sticker in your door.

Most punctures from nail holes or cuts up to 6 mm confined to the tread may be repaired by a tyre professional using industry-approved procedures.
An on-the-wheel plug-only repair is not reliable and is dangerous. After a puncture the inside of a tyre must be inspected.

car edito infographic scalloped tips and advice
More on Alignment

Symptom: Sawtooth Edges and Feathered Edges

car edito infographic sawtooth tips and advice

Diagnostic: Misalignment

If a vehicle is misaligned, the edges of the tread have a sawtooth or feathered appearance. This is caused by erratic scrubbing against the road.

Solution:

Your car most likely needs a toe-in or toe-out alignment correction. Please see your tyre professional for inspection.

Symptom: Damage

Diagnostic: Tyre damage that requires repair

  • Most punctures, nail holes or cuts up to 6 mm confined to the tread may be repaired by a tyre professional using industry-approved procedures.
  • An on-the-wheel plug-only repair is not reliable and is dangerous. After a puncture the inside of a tyre must be inspected.
  •  

Solution

  • The proper repair of a radial tyre (most tyres) includes placing a rubber patch on the inner liner of the tyre and filling the hole with rubber.
  • Do not attempt to repair tyres with tread punctures larger than 6 mm or any sidewall puncture. Also, do not have tyres repaired that are worn below 1.6 mm tread depth.
  • Replace your damaged tyre with a spare tyre. First, be sure to check the spare tyre's sidewall for the correct inflation pressure, speed and mileage limitations. Take your vehicle or tyre to be inspected by a tyre professional.
car edito infographic damage tips and advice

Symptom: Bar Across Tread

car edito infographic baracross tips and advice

Diagnostic: Worn-out tyre

  • All tyres have tread-wear indicator bars at 1.6 mm of the remaining tread.
  • When the tread is worn down to 1.6 mm or when you can see the tread-wear indicator bars on any section of the tyre, the tyre is worn out and should be replaced.
  •  

Solution:

Take your vehicle to a tyre professional for an inspection and have a professional measure the remaining tread with a tread-depth gauge.

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