Vehicle recall 90V004000 · January 18, 1990

Isuzu W7HV and W7HVT

There may be paint in the fixing flange between the propeller shaft and differential gear which could cause the fixing (attaching) bolts to loosen.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary: There may be paint in the fixing flange between the propeller shaft and differential gear which could cause the fixing (attaching) bolts to loosen. This may result in the separation of the propeller shaft from the differential unit.
Consequence: Separation of the propeller shaft may cause loss of vehicle control which may result in an accident.
Remedy: Disconnect the propeller shaft, remove paint from the fixing flange areas, reconnect the propeller shaft and torque bolts to specifications.
Notes: System: power train, propeller shaft and differential gear.vehicle description: heavy duty trucks.

Recall details

NHTSA campaign: 90V004000
Reported to NHTSA: January 18, 1990
Filed by: ISUZU MOTORS LIMITED
Owner notification: January 8, 1990
Vehicles potentially affected: 34
Initiated by: the manufacturer
Components: Power train › Driveline › Driveshaft

Recall 90V004000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Isuzu W7HV (1990): 1990
Isuzu W7HVT (1990): 1990

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