MACK RS 1975: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
General Information
NHTSA Campaign ID Number: 75V141000
| Make | Model | Year |
|---|---|---|
| MACK | RS | 1975 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1975-11-17 | 1975-07-24 | 1979-10-12 |
Production Dates: 1974-06-01 - 1978-03-01
Manufacturers Involved: Mack Trucks, Inc.
Component: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
Potential Number Of Units Affected: 935
Report Initiator: MFR MFR Report
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'.
