The defect
ON CERTAIN TERMINAL TRACTORS BUILT WITH A STEERABLE AUXILIARY AXLE AND EQUIPPED WITH CERTAIN MERITOR-WABCO BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES, THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.
The risk
WHEN THE VALVE STICKS OPEN, IT CAN RESULT IN A TOTAL LOSS OF AIR FROM EITHER THE SERVICE OR THE PARK BRAKE SYSTEM. THE DRIVER MAY LOSE BRAKING ABILITY UNDER A SERVICE APPLICATION, POSSIBLY RESULTING IN A VEHICLE CRASH.
The remedy
DEALERS WILL REPLACE THESE VALVES. MERITOR WABCO IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MERITOR WABCO AT 800-535-5560 OR KALMAR AT 903-759-5490.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Magnum 4X4 | 2000 |
| Magnum ET | 2001 |
| Magnum RD120 | 2001 |
| Magnum RT100 | 2000 |
| Magnum TT100 | 2000, 2001 |
| Magnum TT120 | 2000, 2001 |
| Magnum TT170 | 2000 |
Components: SERVICE BRAKES, AIR:CONTROLS, PEDALS AND LINKAGES
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Magnum 4X4 | 2000 | 1 | 1 |
| Magnum ET | 2001 | 0 | 1 |
| Magnum RD120 | 2001 | 0 | 1 |
| Magnum RT100 | 2000 | 0 | 1 |
| Magnum TT100 | 2000 | 0 | 1 |
| Magnum TT100 | 2001 | 0 | 1 |
| Magnum TT120 | 2000 | 0 | 1 |
| Magnum TT120 | 2001 | 0 | 1 |
| Magnum TT170 | 2000 | 0 | 1 |
Other service brakes, air recalls in 2002
58 of the 434 recall campaigns reported to NHTSA in 2002 concerned the service brakes, air; KALMAR INDUSTRIES USA, INC. filed 4 campaigns in all.
| 02V139027 31 Dec 2002 | VERMEER MANUFACTURING COMPANY |
| 02V321001 2 Dec 2002 | FREIGHTLINER CORPORATION |
| 02V321002 26 Nov 2002 | MACK TRUCKS, INCORPORATED |
| 02V139026 16 Oct 2002 | DRIVE LINE INC. |
| 02V210009 4 Oct 2002 | FEATHERLITE, INC. |
| 02V210008 23 Sept 2002 | TRIAD MACK SALES |
| 02V241002 20 Sept 2002 | INTERNATIONAL TRUCK AND ENGINE |
| 02V254000 11 Sept 2002 | EAST MANUFACTURING CORP. |
NHTSA recalls (public domain) · all recalls of 2002