NHTSA Vehicles recall ·
ZF North America Brake Chamber recall: Air Leak in Brake Chamber
- Recall number
- 25E027000
- Date
- Manufacturer
- Nova Bus (US) Inc.
- Category
- Vehicles › Service Brakes
- Recall type
- Equipment
- Units affected
- 2090
- Hazard tags
- Fire Crash risk
Read the official NHTSA notice ↗
Product
Service Brakes, Air
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| ZF North America | Brake Chamber | — |
Not every vehicle of these models is affected. Enter your 17-character VIN on NHTSA.gov to check your vehicle.
Why was it recalled?
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.
Consequence
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.
What should you do?
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.
Manufacturer campaign number
CR5720
Source: NHTSA (vehicles), recall 25E027000. Official notice. Republished from public data; RecallFlag is not affiliated with the NHTSA.