The defect
THE EXHAUST PORT IN THE UP POSITION ALLOWS WATER TO ENTER THE AIR BRAKE SYSTEM, WHICH CAN BLOCK THE AIR BRAKE SYSTEM IN FREEZING CONDITIONS.
The risk
BLOCKAGES IN THE AIR BRAKE SYSTEM CAN BLOCK THE EXHAUSTFROM THE BRAKE CHAMBERS AFTER SERVICE BRAKE APPLICATION, CAUSING THE BRAKES TODRAG AND POSSIBLY OVERHEAT ON EITHER SIDE OF THE DRIVE AXLES. THIS COULDINCREASE STOPPING DISTANCE AND RESULT IN A VEHICLE ACCIDENT.
The remedy
INVERT THE BRAKE VALVES SO THE EXHAUST PORTS ARE DOWN.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Freightliner | 1992 |
Components: SERVICE BRAKES, AIR
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Freightliner | 1992 | 2 | 3 |
Other service brakes, air recalls in 1993
6 of the 223 recall campaigns reported to NHTSA in 1993 concerned the service brakes, air; FREIGHTLINER CORP. filed 116 campaigns in all.
| 93V151000 15 Sept 1993 | DORSEY TRAILERS, INC. |
| 93V133000 11 Aug 1993 | DORSEY TRAILERS, INC. |
| 93V081000 17 May 1993 | BLUE BIRD BODY COMPANY |
| 93V069000 26 Apr 1993 | FREIGHTLINER CORP. |
| 93V020000 9 Feb 1993 | FREIGHTLINER CORPORATION |
NHTSA recalls (public domain) · all recalls of 1993