Transport CanadaCritical
At a glance
What can fail
The double check valve disc in the brake manifold dash valve can become brittle and crack over time. If this happens alongside a failure in either air brake system, all braking could be lost suddenly.
What the fix does
The manifold dash valve will be replaced.
2,160 vehicles affected
Transport Canada #2000102 — full official notice →Summarized — see the official notice for exact wording, dates, and contacts.