Make : MACK | Model : MH | Year : 1984 |
Build Dates : 19820101 - 19841201 | ||
NHTSA Campaign ID Number : 85V113000 | ||
Date Owners Notified: 19860207 | Date Received by ODI: 19850917 | Date Added to Database: 19850924 |
Manufacturer(s) Involved: MACK TRUCKS, INCORPORATED | ||
Manufacturer(s) Responsible for the Recall: MACK TRUCKS, INC | ||
Manufacturer Campaign Number: | ||
Component: SERVICE BRAKES, AIR | ||
Potential Number of Units Affected: 5020 | ||
Summary of the Safety Concern:
THE DUAL DOUBLE CHECK VALVE MAY NOT RELEASE THE PROPER AIR VOLUME TO THE BRAKE SYSTEM, CAUSING A SLIGHT TIMING DELAY BETWEEN THE TRACTOR AND THE TRAILER BRAKE SYSTEM. CONSEQUENCES OF DEFECT: IF THE BRAKES ARE SUDDENLY APPLIED, THE TRAILER COULD JACKKNIFE WITHOUT WARNING TO THE OPERATOR, WHICH COULD RESULT IN A VEHICLE CRASH. |
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Consequence:
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Remedy:
INSTALL TWO NEW SLEEVES IN THE DUAL DOUBLE CHECK VALVE WHICH WILL INCREASE AIR FLOW. |
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Report Initiator: MFR | Vehicles Report | |
Regulation Part Number: | Federal Motor Vehicle Safety Standard Number: | |
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). |