The tire tread looks frail

Symptom: Wear on Both Edges

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Diagnostic: Under-inflation

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

Solution:

Add air to your tire 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 on 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 tires when they’re cold, before they’ve been driven or at least three hours after.
     

Solution:

Take air out of your tire, 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 on your door.

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Symptom: Uneven Wear

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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 tire 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 tires when they’re cold, before they’ve been driven or at least three hours after.
  •  

Solution:

Take air out of your tire, 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 on your door.

Symptom: Scalloped

Diagnostic 1: Poor Alignment

Uneven front or rear tire 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 tire dealer for an inspection.

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Symptom: Sawtooth Edges and Feathered Edges

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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 tire professional for inspection.

Symptom: Damage

Diagnostic: Tire Damage That Requires Repair

  • Most punctures from nail holes or cuts up to ¼" 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 because afterwards the inside of the tire must be checked for punctures.
  •  

Solution

  • The proper repair of a radial tire (most tires) includes the placing of a rubber patch on the inner liner of the tire and a rubber filling in the hole.
  • Do not attempt to repair tires with tread punctures larger than 1/4" or any sidewall puncture. Also, do not have tires repaired that are worn below 2/32" tread depth.
  • Replace your damaged tire with a spare tire – but be sure to first check the spare tire's sidewall for the correct inflation pressure, speed and mileage limitations. Take your vehicle for an inspection to a tire professional.

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Symptom: Bar Across Tread

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Diagnostic: Worn-Out Tire

  • All tires have tread-wear indicator bars at 2/32" of the remaining tread.
  • When the tread is worn down to 2/32" or when you can see the tread-wear indicator bars on any section of the tire, the tire is worn out and should be replaced.
  •  

Solution:

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

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