Vehicle recall 90V081000 · May 15, 1990
Chevrolet Forward 4000, Isuzu NPR and 1 more model
At high engine speeds, the cooling fan adapter plate, which connects the cooling fan and the fan pulley, has insufficient strength, allowing cracks to develop in the adapter plate.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- At high engine speeds, the cooling fan adapter plate, which connects the cooling fan and the fan pulley, has insufficient strength, allowing cracks to develop in the adapter plate.
- Consequence
- Cooling fan could be dislodged, damaging radiator and fan guide; and fan could break loose, fly out of engine compartment, and injure persons in the immediate vicinity.
- Remedy
- Repair or replace adapter plate to prevent cracks and damage.
- Notes
- System: cooling fan.vehicle description: class 3 medium duty truck chassis with automatic transmission.
Recall details
- NHTSA campaign
- 90V081000
- Reported to NHTSA
- May 15, 1990
- Filed by
- ISUZU MOTORS LIMITED
- Owner notification
- May 22, 1990
- Vehicles potentially affected
- 5,163
- 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.
- Chevrolet Forward 4000 (1989-1990): 1990, 1989
- GMC Tiltmaster (1989-1990): 1990, 1989
- Isuzu NPR (1989-1990): 1990, 1989
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