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
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Kenworth K100E (1989-1990): 1990, 1989
- Kenworth T400 (1989-1990): 1990, 1989
- Kenworth T450 (1989-1990): 1990, 1989
- Kenworth T600A (1989-1990): 1990, 1989
- Kenworth T800 (1989-1990): 1990, 1989
- Kenworth W900B (1989-1990): 1990, 1989
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.