NHTSASERVICE BRAKES,...
Nova Bus (US) Inc. - Air Leak in Brake Chamber
Published: April 14, 2025Recall ID: 25E027000Category: vehiclesCountry: US
Reason for Recall / Hazard
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.
Product Description & Identification
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.
Affected Products
Air Leak in Brake Chamber
Additional Source Details
| Field | Value |
|---|---|
| Subject | Air Leak in Brake Chamber |
| Nhtsa id | 25E027000 |
| Component | SERVICE BRAKES, AIR |
| Recall link › Url | https://www.nhtsa.gov/recalls?nhtsaId=25E027000 |
| Recall link › Description | Go to Recall |
| Recall type | Equipment |
| Do not drive | No |
| Manufacturer | Nova Bus (US) Inc. |
| Defect summary | 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. |
| Completion rate | 0.00 |
| Corrective action | 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. |
| Consequence summary | 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. |
| Mfr campaign number | CR5720 |
| Potentially affected | 2090 |
| Report received date | 2025-04-14T00:00:00.000 |
| Fire risk when parked | No |