The defect
ON CERTAIN TRUCKS EQUIPPED WITH BENDIX SR-7 SPRING BRAKE MODULATING VALVES, THE INTERNAL RUBBER CHECK VALVE MAY LEAK CAUSING A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER THE OPERATOR PULLS THE DASH VALVE BUTTON.
The risk
THIS COULD DELAY OR FAILURE IN APPLYING THE PARKING BRAKES WHICH COULD RESULT IN A VEHICLE ROLL AWAY, INCREASING THE RISK OF A CRASH.
The remedy
MACK IS WORKING WITH BENDIX TO REPAIR THESE VEHICLES (PLEASE SEE 07E037). BENDIX WILL INSTALL A CHECK VALVE REPAIR KIT FOR THE AFFECTED SR-7 SPRING BRAKE MODULATING VALVE FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 10, 2008. OWNERS MAY CONTACT BENDIX AT 1-440-329-9000 OR MACK AT 1-800-528-6586.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack CHN | 2006, 2007 |
| Mack CHU | 2008 |
| Mack CTP | 2006, 2007, 2008 |
| Mack CV | 2006, 2007, 2008 |
| Mack CXN | 2006, 2007, 2008 |
| Mack CXP | 2007 |
| Mack CXU | 2008 |
| Mack GU | 2008 |
| Mack MR | 2007 |
Components: PARKING BRAKE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack CHN | 2006 | 0 | 13 |
| Mack CHN | 2007 | 1 | 12 |
| Mack CHU | 2008 | 0 | 8 |
| Mack CTP | 2006 | 0 | 4 |
| Mack CTP | 2007 | 0 | 6 |
| Mack CTP | 2008 | 0 | 2 |
| Mack CV | 2006 | 0 | 5 |
| Mack CV | 2007 | 0 | 8 |
| Mack CV | 2008 | 0 | 3 |
| Mack CXN | 2006 | 0 | 13 |
| Mack CXN | 2007 | 0 | 14 |
| Mack CXN | 2008 | 0 | 5 |
| Mack CXP | 2007 | 0 | 6 |
| Mack CXU | 2008 | 0 | 7 |
| Mack GU | 2008 | 0 | 9 |
| Mack MR | 2007 | 0 | 3 |
Other parking brake recalls in 2007
14 of the 587 recall campaigns reported to NHTSA in 2007 concerned the parking brake; MACK TRUCKS, INC filed 74 campaigns in all.
| 07V516000 5 Nov 2007 | GLOBAL ELECTRIC MOTORCARS, LLC |
| 07V448000 25 Sept 2007 | COUNTRY COACH INC |
| 07V397000 31 Aug 2007 | NEWELL COACH CORP. |
| 07V385000 28 Aug 2007 | GENERAL MOTORS CORP. |
| 07V371000 20 Aug 2007 | PREVOST CARS, INC. |
| 07V314000 24 Jul 2007 | INTERNATIONAL TRUCK & ENGINE CORPORATION |
| 07V301000 16 Jul 2007 | AMERICAN TRUCK COMPANY |
| 07V298000 13 Jul 2007 | NORTH AMERICAN BUS INDUSTRIES, INC. |
NHTSA recalls (public domain) · all recalls of 2007