Peterbilt · United States · High
Peterbilt 320, 520: Suspension — multiple axle
Affects Peterbilt 320, 520 · 2015–2023 — about 16K vehicles.
The hazard
An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.
What to do
Dealers will inspect the welds and add an additional bracket between the tracking rod bracket and axle housing, as necessary, free of charge. Owner notification letters are expected to be mailed February 14, 2023. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 22PBL.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational