Vehicle recall 93V137000 · August 20, 1993
Mack CH and FDM
The engine cooling fan blades may break due to inadequate blade strength around the rivets that attach the blades to the fan spider.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The engine cooling fan blades may break due to inadequate blade strength around the rivets that attach the blades to the fan spider.
- Consequence
- If complete fracture of the fan blade occurs, it couldbe propelled outside the fan shroud, injuring person(s) in the vicinity ofthe truck.
- Remedy
- An improved fan will be installed on these vehicles.
- Notes
- System: engine; cooling fan.vehicle description: class 8 heavy trucks equipped with 6 bladed fansmanufactured by engineered cooling systems, Inc.
Recall details
- NHTSA campaign
- 93V137000
- Reported to NHTSA
- August 20, 1993
- Filed by
- MACK TRUCKS, INCORPORATED
- Owner notification
- October 1, 1993
- Vehicles potentially affected
- 11,000
- Initiated by
- the manufacturer
- Components
- Engine and engine cooling › Cooling system › Fan
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
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