2015–2023 Peterbilt 320, 2015–2023 Peterbilt 520 Recall: Suspension tracking rod brackets may fail and detach from the forward…
NHTSA campaign 22V939000 · Suspension · filed Dec 16, 2022 · verified Jul 30, 2026
The defect
PACCAR Incorporated (PACCAR) is recalling certain 2015-2023 Peterbilt 320 and 520 refuse trucks equipped with Haulmaax/EX suspensions. The suspension tracking rod brackets may fail and detach from the forward drive axle, causing the axle to become unstable.
The risk
An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — 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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
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Other campaigns involving Peterbilt vehicles
Source: NHTSA recall database, campaign 22V939000 (manufacturer number 22PBL). Data last verified Jul 30, 2026.