Prevost · Canada · Crit
Prevost XL2-45 Coach, H3-45 Coach +1 more: Engine
Affects Prevost XL2-45 Coach, H3-45 Coach, H3-41 Coach · 2000–2001 — about 150 vehicles.
The hazard
On certain vehicles, the coolant heaters may be missing a combustion chamber (a.k.a. burner tube). When a coolant heater is defective, a flame will be noticed exiting the exhaust pipe at the bottom of the unit. This condition could result in an engine compartment fire. Correction: A combustion chamber will be installed in affected units.
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