This content was compiled automatically and has not yet been reviewed by a technician. For reference only.
For reference only. Always confirm part numbers and procedures for your specific vehicle.
Tyres and wheels
BYD SEAL uneven tyre wear and replacement: look beyond remaining tread
Check SEAL tyre damage, uneven wear, cold pressure and required specifications before replacement. An EV marking does not replace fitment checks.
For BYD SEAL tyre replacement, tread depth is only one consideration. Sidewall damage, uneven wear and vehicle-specified requirements also matter. Checking these together helps owners decide on replacement and workshops address causes that might make new tyres wear unevenly again.
Remaining tread does not always mean a tyre can stay in service
The public SEAL handbook requires checks for bulges, cracks, exposed cords and other damage, and identifies exposed tread-wear indicators as a replacement criterion.[SEAL handbook pages 185–186][S1] Visible tread in the centre does not justify ignoring sidewall or other abnormalities.
Have the repairer describe wear and damage separately: wear concerns tread condition, while damage concerns whether the tyre itself remains usable. Both need to be acceptable before considering remaining use. Damage already judged to require replacement should not be addressed solely by changing pressure or rotating tyres.
Investigate uneven wear and install new tyres correctly
The handbook states that underinflation and overinflation can both cause uneven wear. Wheel alignment should be checked when uneven wear is found, and wheel balancing is required when fitting new tyres or rims.[Handbook pages 185–187][S1]
Do not combine alignment checks and balancing into one unspecified task. Establish where uneven wear occurs and which checks have already been completed before deciding what to adjust. This allows replacement to address conditions affecting later use, rather than merely exchanging old tyres for new ones.
Distinguish cold and hot tyre pressure
The same handbook notes that hot pressure after driving exceeds a cold reading. Do not release air from a hot tyre simply to reach the nominal cold value; check the driver's door-frame label for recommended cold pressure.[Handbook page 185][S1] When comparing readings, record whether the vehicle had just been driven, rather than treating different conditions as the same abnormality.
An EV marking cannot replace specification requirements
Michelin's own electric-vehicle tyre explanation says its product range can be used on electric vehicles when load and other requirements are met. This is not a universal fitment promise for every brand and size.[Michelin electric-vehicle tyre FAQ][S2] For SEAL, meet the manufacturer-specified size, load and speed requirements individually before comparing noise, rolling resistance or operating-environment needs.
Directional tyres also require rotation to follow their direction restrictions. The SEAL handbook addresses this separately; do not use the same cross-rotation pattern for every tyre.[Handbook page 186][S1]
Verification reminder
Verify tyre and rim compatibility and cross-trim interchangeability using the VIN, local manufacturer parts catalogue and actual vehicle labels. This article provides no universal size or pressure for all SEAL vehicles. No public data was available for the specific vehicle's complete specifications or candidate-product certification. [To be verified] This is maintenance guidance, not completed fitment confirmation for a particular tyre.
For SEAL tyres or wheel-end parts, use the parts enquiry page.
[S1]: https://bydautomotive.com.au/brochures/BYD-SEAL-Owners-Handbook-2025.pdf
[S2]: https://www.michelinman.com/auto/electric-vehicles-faq