The issue
TRUCK AND BUS CHASSIS EQUIPPED WITH GASOLINE ENGINES. HEAT RADIATED BY THE EXHAUST MUFFLER MAY RUPTURE EITHER OF THE NEARBY SERVICE OR PARKING AIR BRAKE TUBES RESULTING IN A LOSS OF SUPPLY AIR TO THE SECONDARY AIR BRAKE SYSTEM. THIS WOULD REDUCE VEHICLE BRAKING EFFECTIVENESS BY 50%.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Ford F-700 | 1979 |
| Ford F-800 | 1979 |