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Peterbilt suspension tracking rod brackets may fail and detach from the forward drive axle, causing the axle to become unstable.

NHTSA campaign 22V-939 · Reported December 16, 2022 · 15,658 vehicles affected

AFFECTED MODELS
Peterbilt 320 and 520
VEHICLES AFFECTED
15,658
REMEDY
Dealers will inspect the welds and add an additional bracket between the tracking rod bracket and axle housing, as necessary, free of charge.
COST
Free

The short version

PACCAR Incorporated reported a problem with the suspension multiple axle. Here is what owners need to know.

WHAT

The suspension tracking rod brackets may fail and detach from the forward drive axle, causing the axle to become unstable.

WHY IT MATTERS

An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.

WHAT TO DO

Take it to a dealer — they will inspect the welds and add an additional bracket between the tracking rod bracket and axle housing, as necessary, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 22V-939.

YEAR RANGEMODEL
2015–2023Peterbilt 320
2015–2023Peterbilt 520

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with PACCAR Incorporated or the National Highway Traffic Safety Administration.