Mack · Canada · Mod
Mack DM, CH: Brakes
Affects Mack DM, CH · 2003–2004 — about 7 vehicles.
The hazard
On certain vehicles equipped with 18,000 lb and 20,000 lb front axle assemblies, the front brake chamber is too small to meet the stopping distance requirements of CMVSS 121. Correction: Dealer will replace the type-20 brake chamber with a larger type-24 brake chamber.
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