The issue
Certain heavy-duty trucks equipped with Meritor Wabco pneumatic antilock brake system (ABS) valve packages. The assembly bolts on these valve packages were not tightened correctly. Bolts torque below specification will not reliably prevent air leakage at the affected abs valve package interface joints once the component begins normal vehicle operation. If air leaks develop at any of the abs valve package interface joints, brake system pressure reductions could occur during braking or normal operation with units equipped with the traction control option, potentially extending stopping distances, possibly resulting in a vehicle crash. Correction: Dealers will tighten the fasteners to the proper specification.
Description (français)
Vise certains poids lourds équipés du robinet de freins ABS pneumatiques Meritor Wabco. Les boulons de montage de ces robinets de freins ne sont pas suffisamment serrés. Sur les véhicules en service, les boulons serrés sous le couple prescrit ne pourront pas empêcher une fuite d'air au niveau du joint d'interface. S'il se produit une fuite à cet endroit, il y aura réduction de pression dans le circuit de freinage ou dans le système d'antipatinage offert en option, ce qui risque d'allonger les distances de freinage et de causer un accident. Correction : Les concessionnaires devront resserrer les boulons au couple prévu.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Kenworth T300 | 2001 |
| Peterbilt 330 | 2001 |
| Peterbilt 357 | 2001 |
| Peterbilt 378 | 2001 |
| Peterbilt 379 | 2001 |
| Peterbilt 385 | 2001 |
| Peterbilt 387 | 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 |
|---|---|---|---|
| Kenworth T300 | 2001 | 2 | 5 |
| Peterbilt 330 | 2001 | 0 | 4 |
| Peterbilt 357 | 2001 | 0 | 5 |
| Peterbilt 378 | 2001 | 0 | 5 |
| Peterbilt 379 | 2001 | 6 | 4 |
| Peterbilt 385 | 2001 | 0 | 5 |
| Peterbilt 387 | 2001 | 2 | 2 |