ZF North America Brake Chamber: Service brakes, air
Recall 25E027000 · Apr 14, 2025 · Nova Bus (US) Inc.
2,090
units affected
2,090
units affected
Facts
- Recall number
- 25E027000
- Date
- Apr 14, 2025
- Maker
- Nova Bus (US) Inc.
- Units affected
- 2,090
- Kind
- Vehicle equipment
- Component
- Service brakes, air > Disc > Chamber
- Started by
- The maker
- Hazard
- Fire
What is wrong
Nova Bus (US) Inc. (Nova Bus) is recalling certain ZF North America Knorr-Bresme 20/22-57 brake chambers, with part number K038830N00, sold as replacement parts for certain buses. The brake chamber may have been improperly manufactured, which can result in an air leak.
What can happen
A brake chamber air leak may cause the brakes to engage unexpectedly, which can overheat the brakes and increase the risk of a fire. Additionally, unexpected braking can increase the risk of a crash.
The fix
Recall repairs are free of charge.
Nova Bus will replace the brake chambers, free of charge. Owner notification letters were mailed August 21, 2025. Owners may contact Nova Bus customer service at 1-450-472-6410. Nova Bus's number for this recall is CR5720.
Vehicles covered
1 model, 1 model year in all
| Make | Model | Model years |
|---|---|---|
| ZF North America | Brake Chamber | Not stated |
Related pages
Questions and answers
Which vehicles are in recall 25E027000?
1 model: ZF North America Brake Chamber (all years), about 2,090 vehicles in all.
What is the fix for recall 25E027000?
Nova Bus will replace the brake chambers, free of charge. Owner notification letters were mailed August 21, 2025. Owners may contact Nova Bus customer service at 1-450-472-6410. Nova Bus's number for this recall is CR5720.
What can happen?
A brake chamber air leak may cause the brakes to engage unexpectedly, which can overheat the brakes and increase the risk of a fire. Additionally, unexpected braking can increase the risk of a crash.
A recall means the maker found a safety problem and offers a free fix; it does not mean every unit has the problem. Units affected are as reported by the company. Popular models sell more and so have more recalls and complaints. Official public data; texts are shortened. A dealer can tell whether a single vehicle still needs the repair.