NHTSA recall campaign
77V145000
ManufacturerGENERAL MOTORS CORP.Reported1977-09-15Affected185 vehicles
What was wrong
Defect
THE INVOLVED VEHICLES MAY NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THE TRAILER BRAKE CONTROL AIR LINE WAS CONNECTED TO THE FRONT BRAKE DOUBLE CHECK VALVE RATHER THAN THE STOP LAMP SWITCH DOUBLE CHECK VALVE, SUCH THAT IN THE EVENT OF A FAILURE OF THE TRUCK FRONT BRAKE SYSTEM THE TRAILER BRAKES CANNOT BE APPLIED USING THE SERVICE BRAKE CONTROL (TREADLE VALVE).
Manufacturer remedy
DEALER WILL INSPECT AND CONNECT THE BRAKE CONTROL AIR LINE TO THE PROPER VALVE, WITHOUT CHARGE TO OWNER.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →