MACK RL 1974: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

Make : MACK Model : RL Year : 1974
Build Dates : 0000-00-00 - 0000-00-00
NHTSA CAMPAIGN ID Number : 75V141000
Date Owner's Notified: 1975-11-17 Date Received by ODI: 1975-07-24 Date Added to Database: 1979-10-12
Manufacturers Involved: Mack Trucks, Inc.
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
Potential Number Of Units Affected : 935
Summary:
     
Consequence:
     
Remedy:
     
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      MACK CAMPAIGN NO SCO-63.TRUCKS MFG'D DEC.12, 1974 THRU JUNE 30, 1975.POSSIBILITY THAT THE TRAILER SUPPLY CONTROL VALVE EXHAUST PORT WAS INADVERTENLYPLUGGED, AND THE SAFETY VALVE ON THE AIR RESERVOIR MAY HAVE BEEN OMITTED.IFTHIS CONDITION EXISTS IT COULD LEAD TO INTERMITTENT LOCKUP OF THE TRAILERBRAKES AND DIFFICULTY IN CHARGING THE TRAILER BRAKE AIR SYSTEM.'CORRECT BYINSPECTING AND INSTALLING VALVE AND UNPLUG CONTROL VALVE'.