| Make : VOLVO | Model : B10M | Year : 1984 |
| Build Dates : - | ||
| NHTSA Campaign ID Number : 91V205000 | ||
| Date Owners Notified: 19911023 | Date Received by ODI: 19911122 | Date Added to Database: 19911125 |
| Manufacturer(s) Involved: VOLVO GM HEAVY TRUCK CORP | ||
| Manufacturer(s) Responsible for the Recall: VOLVO TRUCKS NORTH AMERICA, INC. | ||
| Manufacturer Campaign Number: | ||
| Component: SERVICE BRAKES, AIR:ANTILOCK | ||
| Potential Number of Units Affected: 171 | ||
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Summary of the Safety Concern:
THE EXISTING INTERLOCK AIR BRAKE SYSTEM MUST GET ITS AIR SUPPLY DIRECTLY FROM THE PARKING BRAKE AIR SUPPLY CIRCUIT. SHOULD A COMPONENT FAILURE OCCUR IN THE INTERLOCK AIR SYSTEM, IT WILL DEPLETE THE AIR SUPPLY FROM THE PARKING BRAKE CIRCUIT. |
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Consequence:
DEPLETION OF AIR SUPPLY FROM THE PARKING BRAKE CIRCUITWOULD ALLOW THE BUS TO ROLL WITH THE PARKING BRAKE APPLIED. THIS COULDRESULT IN A VEHICLE ACCIDENT. |
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Remedy:
RELOCATE THE AIR SUPPLY LINE FOR THE INTERLOCK SYSTEM SO THAT THE AIR SUPPLY COMES FROM THE PARKING BRAKE CIRCUIT TO ENSURE THAT WHEN THE PARKING BRAKE IS APPLIED, THE PARKING BRAKE CANNOT BE DISENGAGED OR OVERRIDDEN BY COMPONENT FAILURES. |
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| Report Initiator: MFR | Vehicles Report | |
| Regulation Part Number: | Federal Motor Vehicle Safety Standard Number: | |
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Notes:
CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236). |
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