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Vehicle recall 09V415000 · October 21, 2009

Kenworth T2000, T660 and 2 more models

The axle u-bolts attaching the axle to the suspension leaf spring on certain AG400L rear suspensions may have received insufficient fastener torque during the installation process.

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

Summary
Kenworth is recalling model year 2009 through 2010 T2000, T800, T660 and W900 trucks manufactured between November 12, 2008 and September 30, 2009. The axle u-bolts attaching the axle to the suspension leaf spring on certain AG400L rear suspensions may have received insufficient fastener torque during the installation process. The insufficient torque may allow the axle u-bolt to become loose, which may cause vibration in the rear suspension.
Consequence
If multiple fasteners were to become loose, the rear axle may shift relative to the rear suspension leaf spring, which can result in loss of control and a crash.
Remedy
Dealers will inspect the axle u-bolts for visible defects, including bent and/or smashed threads and re-torque the axle u-bolts to factory specifications. The recall began on November 4, 2009. Owners may contact kenworth at 425-828-5440.
Notes
Kenworth recall no. 09KWA.OWNERS may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to http://www.safercar.gov.

Recall details

NHTSA campaign
09V415000
Reported to NHTSA
October 21, 2009
Filed by
PACCAR INCORPORATED
Manufacturer campaign
09KWA
Owner notification
November 4, 2009
Vehicles potentially affected
914
Initiated by
the manufacturer
Components
Power train › Axle assembly
Recall 09V415000 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.