WESTERN STAR UNSPECIFIED 1979: SERVICE BRAKES, AIR
| Make : WESTERN STAR | Model : UNSPECIFIED | Year : 1979 |
| Build Dates : 1978-10-01 - 1979-03-01 | ||
| NHTSA CAMPAIGN ID Number : 79V177000 | ||
| Date Owner's Notified: 1980-01-03 | Date Received by ODI: 1979-07-25 | 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 | ||
| Potential Number Of Units Affected : 250 | ||
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Summary:
THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS", IN REGARD TO DEFECTIVE BRAKE APPLICATION AND IMPROPER RELEASE TIME. ALSO, THE ANTI-LOCK VALVES WERE MANUFACTURED WITH AN ANTI-LOCK PISTON WHICH, WITH EXTENDED USE, MAY STICK. THIS PREVENTS AIR FROM BEING DELIVERED TO THE AIR BRAKE CHAMBERS SUPPLIED BY THESE VALVES. |
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Consequence:
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Remedy:
DEALER WILL EITHER REBUILD THE VALVE OR PERMANENTLY DISABLE THE ANTI-LOCK SYSTEM WITHOUT CHARGE. |
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| Report Initiator: MFR | V Report | |
| Regulation Part Number: 571 | Federal Motor Vehicle Safety Standard Number: 121 | |
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Notes:
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; RELAY VALVE.CONSEQUENCES OF DEFECT: THIS CONDITION WOULD RESULT IN A PARTIAL LOSS OFBRAKING ACTION AND EXTENDED VEHICLE STOPPING DISTANCES. THIS SITUATION COULDLEAD TO AN ACCIDENT. |
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