The defect
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH HALDEX MANIFOLD DASH VALVES (MDV) USED IN TRACTOR AND TRAILER PARKING BRAKES. THESE VALVES DO NOT MEET THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS." A LOSS OF THE ISOLATION OF THE TWO BRAKE SYSTEM CIRCUITS CAN RESULT IN THE LOSS OF SERVICE BRAKES WHEN THERE IS ANOTHER FAILURE OF ONE OF THE TWO BRAKE CIRCUITS.
The risk
THE LOSS OF SERVICE BRAKES CAN OCCUR, INCREASING THE RISK OF A CRASH.
The remedy
DEALERS WILL REPLACE THE SUSPECT VALVES.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Volvo ACL | 1997, 1998 |
| Volvo VN | 1997, 1998 |
| Volvo WAH | 1997, 1998 |
| Volvo WCA | 1997, 1998 |
| Volvo WG | 1997, 1998 |
| Volvo WIA | 1997, 1998 |
| Volvo WX | 1997, 1998 |
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 |
|---|---|---|---|
| Volvo ACL | 1997 | 0 | 6 |
| Volvo ACL | 1998 | 1 | 5 |
| Volvo VN | 1997 | 0 | 9 |
| Volvo VN | 1998 | 9 | 6 |
| Volvo WAH | 1997 | 0 | 5 |
| Volvo WAH | 1998 | 0 | 4 |
| Volvo WCA | 1997 | 1 | 6 |
| Volvo WCA | 1998 | 0 | 4 |
| Volvo WG | 1997 | 0 | 8 |
| Volvo WG | 1998 | 2 | 6 |
| Volvo WIA | 1997 | 8 | 6 |
| Volvo WIA | 1998 | 1 | 4 |
| Volvo WX | 1997 | 0 | 7 |
| Volvo WX | 1998 | 0 | 6 |
Other parking brake recalls in 2000
6 of the 541 recall campaigns reported to NHTSA in 2000 concerned the parking brake; VOLVO TRUCKS NORTH AMERICA INC filed 58 campaigns in all.
| 00V349000 30 Oct 2000 | FORD MOTOR COMPANY |
| 00V326000 17 Oct 2000 | COUNTRY COACH INC |
| 00V132000 8 May 2000 | MITSUBISHI AMERICA |
| 00V002003 15 Mar 2000 | KALMAR INDUSTRIES USA, INC. |
| 00V002001 3 Jan 2000 | FREIGHTLINER CORPORATION |
NHTSA recalls (public domain) · all recalls of 2000