NHTSAGeneral Alert
ZF North America, Inc. - Inversion Valve Failure/FMVSS 121
Published: February 9, 2024Recall ID: 24E011000Category: vehiclesCountry: US
Reason for Recall / Hazard
Delayed parking brake engagement can result in unintended vehicle movement, increasing the risk of a crash.
Product Description & Identification
ZF North America, Inc. (ZF) is recalling certain park brake actuation air brake systems equipped with Haldex inversion relay valves, part numbers 9718990020 and RKN28032. An internal piston in the inversion valve may fail, delaying the engagement of the parking brake. As such, these valves fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Affected Products
Inversion Valve Failure/FMVSS 121
Additional Source Details
| Field | Value |
|---|---|
| Subject | Inversion Valve Failure/FMVSS 121 |
| Nhtsa id | 24E011000 |
| Recall link › Url | https://www.nhtsa.gov/recalls?nhtsaId=24E011000 |
| Recall link › Description | Go to Recall |
| Recall type | Equipment |
| Do not drive | No |
| Manufacturer | ZF North America, Inc. |
| Defect summary | ZF North America, Inc. (ZF) is recalling certain park brake actuation air brake systems equipped with Haldex inversion relay valves, part numbers 9718990020 and RKN28032. An internal piston in the inversion valve may fail, delaying the engagement of the parking brake. As such, these valves fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems." |
| Completion rate | 0.04 |
| Corrective action | ZF will replace aftermarket equipment, free of charge. Affected vehicle manufacturers will determine the appropriate remedy for their vehicles. Owner notification letters were mailed April 9, 2024. Owners may contact ZF customer service at 1-734-416-6200. |
| Consequence summary | Delayed parking brake engagement can result in unintended vehicle movement, increasing the risk of a crash. |
| Mfr campaign number | NR (Not Reported) |
| Potentially affected | 2493 |
| Report received date | 2024-02-09T00:00:00.000 |
| Fire risk when parked | No |