HENDRICKSON UNSPECIFIED 1973: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
NHTSA Campaign ID Number: 79V253000
| Make | Model | Year |
|---|---|---|
| HENDRICKSON | UNSPECIFIED | 1973 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1980-01-02 | 1979-11-15 | 1980-01-11 |
Production Dates: 1973-04-01 - 1978-10-01
Manufacturers Involved: HENDRICKSON MFG. CO.
Component: SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH
Potential Number Of Units Affected: 1246
Report Initiator: OVSC OVSC Report
Regulation Part Number: 571
Federal Motor Vehicle Safety Standard Number: 121
THE LOW AIR PRESSURE SWITCHES USED ON SOME OF THE INVOLVED VEHICLES HAVE A MANUFACTURING TOLERANCE THAT ISSUES A WARNING ONLY WHEN THE PRESSURE DROPS A FEW POUNDS PER SQUARE INCH BELOW 60 PSI. AS A RESULT, THEY DO NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS".
IF THE OWNER, UPON RECEIPT OF A POST CARD, INDICATES A COMPLIANCE, THE DEALER WILL REIMBURSE OWNER "5.00 FOR COST OF TEST. IF OWNER INDICATES A NON-COMPLIANCE, THE DEALER WILL SEND TWO REPLACEMENT SWITCHES AND A CHECK FOR "5.00 TO COVER BOTH THE SYSTEM TEST AND SWITCH REPLACEMENT.
VEHICLE DESCRIPTION: TRUCKS, DRILL RIGS, CRANE CARRIERS, AND SCHOOL BUSES.SYSTEM: SERVICE BRAKES; AIR PRESSURE WARNING SWITCHES.CONSEQUENCES OF DEFECT: IF THE LOW AIR PRESSURE WARNING SWITCH IS NOT ACTIVATEDAT PRECISELY 60 PSI, THE DRIVER WOULD NOT BE FOREWARNED OF POTENTIAL LOSS OFBRAKING ACTION. THIS COULD CONTRIBUTE TO A VEHICLE ACCIDENT.
