Sidewall cracks
Model Z & Model GBrinkley and owner accounts
Sidewall cracks have been reported on some Model Z and Model G units. Brinkley recognizes the issue and has a documented repair process. Its Model Z work instructions describe replacing the affected sidewall and adding support to reduce the likelihood of future cracks.
Brinkley coordinates these repairs through facilities approved for the work. If you notice a crack, send photos and your VIN to your dealer and Brinkley so they can identify the next steps and the appropriate repair location.
Want to see how thorough Brinkley's repair process is?
See what Brinkley is doing to address sidewall cracks. Its repair instructions detail the sidewall replacement process and added structural support, so you can review the work involved for yourself.
See Brinkley's repair process (PDF) ↗WI-029-2025, revision F: Model Z sidewall replacement, excluding the Z3610. Manufacturer document hosted by OEMDTC.


