The issue
VEHICLES EQUIPPED WITH B.C. BT75 SPEC.AIR BRAKE SYSTEM. THE AIR LINE FROM THE RELAY VALVE MAY HAVE BEEN CROSSED WITH THE AIR LINE FROM THE R-8 MODULATOR VALVE AT THE TREADLE VALVE. THIS WOULD RESULT IN A LOSS OF SERVICE BRAKES SHOULD THE AIR SUPPLY BE DEPLETED
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Blue Bird ALL CANADIAN NON-SCHOOL BUS | 1976, 1977, 1978, 1979 |
| Blue Bird ALL CANADIAN SCHOOL BUS | 1976, 1977, 1978, 1979 |