The issue
On certain fire trucks, high speed cycling applications of the two-way Midland check valve by engagement of the Automatic Traction Control (ATC) system can cause the internal piston on the check valve to deteriorate. If this occurs, metal particles might break off the piston and obstruct the rear brake control valve. The obstruction might cause a loss of air pressure to a wheel brake chamber, resulting in a reduction of vehicle braking force, which in turn could lengthen the expected braking distance. Correction: Dealers will replace the two-way check valve.
Description (français)
Sur certains camions de pompiers, des applications à haute vitesse du clapet double Midland par enclenchement du système anti patinage automatique pourraient causer la détérioration du piston interne qui se trouve sur le clapet. Si cela se produisait, des particules métalliques pourraient se détacher du piston et boucher le robinet de commande des freins arrière. L'obstruction pourrait provoquer une perte de pression d'air au niveau d'un récepteur de freinage, ce qui causerait une diminution de la force de freinage du véhicule, ce qui pourrait augmenter la distance de freinage prévue. Correction : Les concessionnaires devront remplacer le clapet double.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Pierce Fire Truck | 1991, 1992, 1993, 1994, 1995, 1996, 1997 |
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Pierce Fire Truck | 1991 | 0 | 2 |
| Pierce Fire Truck | 1992 | 0 | 1 |
| Pierce Fire Truck | 1993 | 0 | 1 |
| Pierce Fire Truck | 1994 | 0 | 1 |
| Pierce Fire Truck | 1995 | 0 | 1 |
| Pierce Fire Truck | 1996 | 0 | 5 |
| Pierce Fire Truck | 1997 | 0 | 2 |