Recall 77V145000
Service Brakes, Air › Antilock › Interconnecting Assembly(wiring) — Chevrolet, GMC · reported 15 Sep 1977 · 185 vehicles potentially affected
What's wrong
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).
The fix
DEALER WILL INSPECT AND CONNECT THE BRAKE CONTROL AIR LINE TO THE PROPER VALVE, WITHOUT CHARGE TO OWNER.
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH AIR BRAKE MODELS W/RQ3 AND W/J91.SYSTEM: SERVICE BRAKES; TRAILER BRAKE CONTROLS.CONSEQUENCES OF DEFECT: LOSS OF TREADLE VALVE CONTROL OVER THE TRAILER BRAKESWOULD INCREASE VEHICLE STOPPING DISTANCE AND COULD RESULT IN AN ACCIDENT.
Vehicles covered by this recall
Whether a particular car is affected and still unrepaired depends on its VIN — a model year being listed does not mean every car of that year is included. Check any VIN free on CarLogs, or at nhtsa.gov/recalls.
Is this car's recall fixed?
Recall repairs are free at any franchised dealer, for the life of the vehicle. A CarLogs report shows the recall status for a specific VIN as reported by the manufacturer — whether it's open or repaired, and whether the fix is available yet.
Source: NHTSA Office of Defects Investigation recall database. Look up another campaign →