2007 MACK CXN RECALL - #07V361000
RECALL FOR SERVICE BRAKES, AIR : SUPPLY : CHECK VALVE
ON CERTAIN TRUCKS EQUIPPED WITH PARKER SINGLE CHECK VALVES (SCV) PROVIDED BY BENDIX. THE DEFECT EXISTS IN THE PARKER SCV THAT CONNECTS WITH THE SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE. AFTER PROLONGED USE OF THE PARKER SCV, THE VALVE BODY RETAINER MAY BECOME EXCESSIVELY WORN AND EVENTUALLY BREAK APART. PIECES OF THE PARKER SCV CAN BECOME LODGED INSIDE THE SR-7 SPRING BRAKE MODULATING VALVE, POTENTIALLY CAUSING EITHER LEAKAGE OUT OF THE SR-7 VALVE OR PREVENTING AIR FROM PROPERLY EXHAUSTING FROM THE SR-7 VALVE.
Information provided by the National Highway Traffic Safety Administration.
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| Vehicle |
2007 MACK CXN |
|
| Manufacturer |
MACK TRUCKS, INC |
| Manufactured between |
1/2/2004 - 7/26/2007 |
| Recalled on |
8/16/2007 |
| Influenced by |
MACK TRUCKS, INC |
| Owners Notified on |
1/9/2008 |
| # Affected |
21,847 |
| Recalled for |
SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE |
|
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| Description |
ON CERTAIN TRUCKS EQUIPPED WITH PARKER SINGLE CHECK VALVES (SCV) PROVIDED BY BENDIX. THE DEFECT EXISTS IN THE PARKER SCV THAT CONNECTS WITH THE SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE. AFTER PROLONGED USE OF THE PARKER SCV, THE VALVE BODY RETAINER MAY BECOME EXCESSIVELY WORN AND EVENTUALLY BREAK APART. PIECES OF THE PARKER SCV CAN BECOME LODGED INSIDE THE SR-7 SPRING BRAKE MODULATING VALVE, POTENTIALLY CAUSING EITHER LEAKAGE OUT OF THE SR-7 VALVE OR PREVENTING AIR FROM PROPERLY EXHAUSTING FROM THE SR-7 VALVE. |
| Consequences |
THIS CONDITION CAN CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER THE OPERATOR PULLS THE DASH VALVE BUTTON. THESE CONDITIONS CAN OCCUR WITHOUT WARNING, LEADING TO UNINTENDED VEHICLE ROLLAWAY, BRAKE DRAG, OR IN THE CASE OF LOSS OF PRIMARY CIRCUIT, INABILITY TO MODULATE THE SPRING BRAKES. |
| Corrective action |
MACK IS WORKING WITH BENDIX TO REPLACE THE PARKER SINGLE CHECK VALVE. THE RECALL BEGAN ON JANUARY 9, 2008. OWNERS MAY CONTACT BENDIX AT 1-440-329-9000 OR MACK AT 1-800-528-6586. |
| Notes |
MACK RECALL NO. SC0334 (SC0327).CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY: 1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV. |
| See also |
2007 MACK CXN Recall for PARKING BRAKE, CONVENTIONAL, AIR
2007 MACK CXN Recall for SERVICE BRAKES, AIR
2007 MACK CXN Recall for FUEL SYSTEM, DIESEL
2007 MACK CXN Recall for SERVICE BRAKES, AIR
2007 MACK CXN Recall for FUEL SYSTEM, DIESEL
2007 MACK CXN Recall for STEERING
2007 MACK CXN Recall for POWER TRAIN, AXLE ASSEMBLY
2007 MACK CXN Recall for FUEL SYSTEM, DIESEL
2007 MACK CXN Recall for FUEL SYSTEM, DIESEL
2007 MACK CXN Recall for PARKING BRAKE
2007 MACK CXN Recall for FUEL SYSTEM, DIESEL
2007 MACK CXN Recall for TRAILER HITCHES, FIFTH WHEEL ASSEMBLY
2007 MACK CXN Recall for EXTERIOR LIGHTING, HEADLIGHTS, SWITCH
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