The issue
Certain heavy-duty trucks equipped with certain Meritor-Wabco brake system relay valves manufactured by Haldex Brake Systems. The valve may stick open when a high-pressure application is released. When the valve sticks open, it can result in a total loss of air from either the service or the park brake system. The driver may lose braking ability under a service application, possibly resulting in a vehicle crash. Correction: Dealers will replace these valves.
Description (français)
Vise certains poids lourds équipés du système de freinage Meritor-Wabco dotés de valves relais fabriquées par Haldex Brake Systems. Les valves relais en cause peuvent se coincer en position ouverte quand on désengage un dispositif haute pression. Si c'est le cas, il se peut que le circuit des freins de service et des freins de stationnement perde toute sa pression d'air et, si le conducteur perd l'usage de ses freins de service, il risque d'avoir un accident. Correction : Les concessionnaires devront remplacer ces valves relais.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Mack CH | 2001 |
| Mack CL | 2001 |
| Mack CV | 2001 |
| Mack CX | 2001 |
| Mack DM | 2001 |
| Mack DMM | 2001 |
| Mack MR | 2001 |
| Mack RB | 2001 |
| Mack RD | 2001 |
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack CH | 2001 | 0 | 5 |
| Mack CL | 2001 | 0 | 4 |
| Mack CV | 2001 | 0 | 6 |
| Mack CX | 2001 | 0 | 5 |
| Mack DM | 2001 | 0 | 2 |
| Mack DMM | 2001 | 0 | 2 |
| Mack MR | 2001 | 0 | 3 |
| Mack RB | 2001 | 0 | 3 |
| Mack RD | 2001 | 0 | 5 |