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5 Signs Your Tyres Need Replacing

By Tyre On Sale Team·13 June 2026 5 min read

1. Tread depth under 3 mm

Legal minimum in WA is 1.5 mm, but braking distance doubles below 3 mm in wet conditions. Use the 20-cent test: if the outer band shows, replace immediately.

2. Age over 6 years

Even if tread looks fine, rubber hardens. Check the DOT code on the sidewall.

3. Cracking or bulging sidewalls

These are non-repairable. The tyre can fail catastrophically at highway speed.

4. Vibration above 80 km/h

Often a balance issue, but can indicate internal belt separation. Get it checked.

5. Uneven wear

Inside or outside edge wearing faster than the middle = alignment problem. Fix the alignment before new tyres or you'll burn through them.


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