AUTOCAR RB2 1977: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Make : AUTOCAR Model : RB2 Year : 1977
Build Dates : 1976-08-01 - 1977-10-01
NHTSA CAMPAIGN ID Number : 78V157000
Date Owner's Notified: 1978-09-11 Date Received by ODI: 1978-07-06 Date Added to Database: 1979-10-12
Manufacturers Involved: Volvo Trucks North America
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
Potential Number Of Units Affected : 140
Summary:
      THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS", IN THAT SOME DUAL COMPARTMENT AIR RESERVOIRS WERE INSTALLED WITHOUT A DRAIN VALVE IN BOTH COMPARTMENTS. THE OMISSION OF THE DRAIN VALVE COULD CAUSE: 1" THE TANK TO FILL UP WITH WATER DUE TO CONDENSATION, 2" REDUCED AIR VOLUME, 3" CONTAMINATION OF THE AIR SYSTEM WITH WATER, CAUSING MALFUNCTION OF THE RELEASE VALVES, CHECK VALVES, ETC., AND INCREASING THE POSSIBILITY OF AIR SYSTEM COMPONENT FREEZE-UP IN COLD CLIMATES. THESE CONDITIONS COULD RESULT IN MOMENTARY LOSS OF BRAKING ACTION.
Consequence:
     
Remedy:
      DEALER WILL INSPECT AND, IF NECESSARY, INSTALL A DRAIN VALVE AT NO COST TO OWNER.
Report Initiator: MFR V Report
Regulation Part Number: 571 Federal Motor Vehicle Safety Standard Number: 121
Notes:
      VEHICLE DESCRIPTION: HEAVY TRUCKS AND TRACTORS.SYSTEM: SERVICE BRAKES; AIR DRAIN VALVE.CONSEQUENCES OF DEFECT: LOSS OF BRAKING CAPABILITY COULD CAUSE LOSS OF VEHICLECONTROL AND AN ACCIDENT.