In this guide 7 sections
Address the cause before it damages a new tyre
Tread worn on one side or in patches provides clues for inspection. It cannot by itself establish incorrect pressure or a damaged suspension component. Record the wear pattern and tyre position, then combine these observations with pressure measurements, an alignment assessment and a mechanical inspection.
The pattern you see and what to check
| Observation | Areas to investigate |
|---|---|
| Different wear on the inner and outer edges | Alignment, suspension condition and the effects of use or impacts. |
| Excessive wear in the centre or on the shoulders | Operating pressure and load, alongside the other conditions. |
| Patches or waves around the circumference | Check the tyre, suspension and balance; adjusting pressure alone is not enough. |
| Clear differences between tyres | Their positions, rotation history and differing operating conditions. |
These are possible avenues of investigation, not a dictionary matching each pattern to a single fault. Michelin links wear to pressure, alignment and suspension condition, so an inspection must combine several pieces of information.
Further reading: Michelin — causes of uneven tyre wear.
Safe checks before visiting a tyre centre
- Check the tyre when cold. Measure pressure and follow the vehicle placard and load recommendations, not the maximum figure printed on the tyre.
- Look over the entire visible area. Look for cuts, bulges or foreign objects. Do not crawl underneath the vehicle to see the inner side.
- Record the location of each observation. For example, front right, together with the date and odometer reading. A photograph may help the technician but cannot replace an inspection.
- Review impacts and recent work. A hard pothole impact, recent fitting or new pulling are important details when requesting measurements.
Further reading: NHTSA — Tire safety and maintenance.
Alignment and balancing: two different services
Wheel alignment
Checks wheel angles against the vehicle specifications. It may be appropriate for uneven wear or changes in steering, with any mechanical fault repaired if found.
Wheel balancing
Corrects imbalance in the tyre and wheel assembly. It cannot correct an incorrect wheel angle or restore rubber that has already worn away.
Further reading: Michelin — the difference between alignment and balancing.
Ask for before-and-after measurements
Ask for an assessment of the tread and tyre condition, an alignment report when adjustment is performed, and an explanation of any component preventing the correct specification from being achieved. If a suspension component is said to need replacement, ask for supporting evidence before agreeing. Fitting a new tyre while leaving the cause unresolved can allow the problem to recur.
Also check the tyre rotation instructions; not every setup allows the same rotation pattern, particularly with different tyre sizes or directional tread. Do not use rotation to conceal wear that has reached an unsafe level.
A bulge or visible damage needs urgent assessment
A sidewall bulge, exposed cords or rapid pressure loss cannot wait for an alignment appointment. Stop safely and arrange suitable assistance. Do not attempt a home repair of the tyre sidewall.
Questions to help you decide
Should I increase pressure to prevent shoulder wear?
Set it to the vehicle recommendation rather than experimenting to compensate for the wear pattern. If the problem continues, investigate the cause with a specialist.
Can alignment repair the old tread?
It cannot restore lost rubber. It helps address an alignment-related cause, while the tyre's own suitability for continued use needs a separate assessment.
Sources and scope of this guide
Prepared by the 2uto editorial team. The linked sources were reviewed on 12 September 2026. The ordering of observations and preparation checklists is an editorial suggestion, not the result of an inspection of your vehicle.
- Michelin — causes of uneven tyre wear
- NHTSA — Tire safety and maintenance
- Michelin — the difference between alignment and balancing
This article does not specify a universal legal tread-depth limit; requirements vary by market. Check manufacturer instructions, local requirements and the actual tyre condition.