The defect
THE ENGINE COOLING FAN BLADES MAY BREAK DUE TO INADEQUATE BLADE STRENGTH AROUND THE RIVETS THAT ATTACH THE BLADES TO THE FAN SPIDER.
The risk
IF COMPLETE FRACTURE OF THE FAN BLADE OCCURS, IT COULDBE PROPELLED OUTSIDE THE FAN SHROUD, INJURING PERSON(S) IN THE VICINITY OFTHE TRUCK.
The remedy
AN IMPROVED FAN WILL BE INSTALLED ON THESE VEHICLES.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack CH | 1991, 1992, 1993 |
| Mack FDM | 1991, 1992, 1993 |
Components: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
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 CH | 1991 | 0 | 5 |
| Mack CH | 1992 | 1 | 5 |
| Mack CH | 1993 | 0 | 4 |
| Mack FDM | 1991 | 0 | 3 |
| Mack FDM | 1992 | 0 | 2 |
| Mack FDM | 1993 | 0 | 1 |
Other engine and engine cooling recalls in 1993
6 of the 223 recall campaigns reported to NHTSA in 1993 concerned the engine and engine cooling; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 93V219000 15 Dec 1993 | KAWASAKI MOTORS CORP. |
| 93V139000 24 Aug 1993 | WINNEBAGO INDUSTRIES, INC. |
| 93V122000 19 Jul 1993 | WINNEBAGO INDUSTRIES, INC. |
| 93V036000 15 Mar 1993 | NISSAN NORTH AMERICA, INC. |
| 93V008000 14 Jan 1993 | GENERAL MOTORS CORP. |
NHTSA recalls (public domain) · all recalls of 1993