Campaign 26V-022

Right-hand stand-up (RHSU) configuration on the steering cross-shaft may become stressed and fail

Defect summary

PACCAR Incorporated (PACCAR) is recalling certain 2026 Kenworth L770 and 2024-2026 Peterbilt 520 vehicles. The right-hand stand-up (RHSU) configuration on the steering cross-shaft may become stressed and fail.

Consequence

A steering cross-shaft that fails can cause a loss of steering control, increasing the risk of a crash.

Remedy

Dealers will inspect and repair the steering cross-shafts and replace any damaged or broken cross-shafts, free of charge. Owner notification letters were mailed March 13, 2026. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACA.

Source: NHTSA ODI recalls file, campaign 26V022000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about steering on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 26V-022
Make	Model	Model years	Complaints on this component
Kenworth	L770	2026	0
Peterbilt	520	2024 to 2026	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

5 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

24V-908 Dec 3, 2024
Steering arm and/or tie rod bracket fasteners may fail, resulting in a loss of steering control
24V-433 Jun 12, 2024
Tie rod or drag link assembly may contain an improperly heat-treated ball stud, causing the ball stud to break
24V-233 Mar 27, 2024
Steering gear sector shaft may have been improperly heat-treated, which can cause the gear teeth to crack or fracture
24V-044 Jan 25, 2024
Steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of…
24V-043 Jan 25, 2024
Bearing journals may not be fully seated in the steering knuckle assemblies, preventing the proper installation of the wheel end hub assemblies
22V-782 Oct 18, 2022
Tie rod clamps may have been improperly heat-treated, causing them to fail and allowing the tie rods to separate