International · Canada · High
International 7400 6X6, 7500 6X4 +2 more: Brakes
Affects International 7400 6X6, 7500 6X4, 7400 6X4, 7600 6X4 · 2004 — about 32 vehicles.
The hazard
Certain vehicles do not comply with the requirements of CMVSS 121. A standard fitting was installed in place of a single check valve on the park brake relay valve. A single point failure in the primary air circuits will cause the entire air system to bleed down without this check valve. Correction: Dealer will install a check valve in place of the standard fitting.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational