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Vehicle recall 91V044000 · March 14, 1991

Kenworth K100E, T400 and 4 more models

Rear axle stabilizer (sway) bar may not have been properly heat treated.

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

Summary
Rear axle stabilizer (sway) bar may not have been properly heat treated.
Remedy
Replace the stabilizer bar.
Notes
System: rear axle stabilizer (sway) bar.vehicle description: trucks with airglide 100 rear axle suspension.consequnce of defect: stabilizer bars with insufficient hardness may fail,causing loss of vehicle control that could result in an accident.

Recall details

NHTSA campaign
91V044000
Reported to NHTSA
March 14, 1991
Filed by
PACCAR, INCORPORATED
Owner notification
June 3, 1991
Vehicles potentially affected
5,623
Initiated by
the manufacturer
Components
Suspension › Rear
Recall 91V044000 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.

Has your Kenworth been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Kenworth dealer can also check your VIN. Recall repairs are free.