NHTSA campaign 20V429000 · Manufacturer campaign 20PBD
Peterbilt Recall 20V-429: Power Steering Assist Cylinder Bracket May Break
NHTSA recall 20V429000 (Manufacturer campaign 20PBD) was reported by PACCAR Incorporated on July 24, 2020, with 239 vehicles potentially affected (per NHTSA). NHTSA's record lists the Peterbilt 520 for the 2020 model year. Owners were notified on August 17, 2020, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 20V429000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 20V429000 (also written 20V-429 or 20V429)
- Filed by
- PACCAR Incorporated
- Manufacturer campaign number
- 20PBD
- Report received
- Potentially affected
- 239 vehicles (per NHTSA)
- Component
- Steering — Electric Power Assist System
- Owners notified
Repair completion: 75.31% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 20V429000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Peterbilt
Peterbilt 520
NHTSA's recall notice
As NHTSA's recall record states it for campaign 20V429000.
Defect description
PACCAR Incorporated (PACCAR) is recalling certain 2020 Peterbilt 520 vehicles. Incorrect bolts may have been used to secure the steering assist cylinder bracket, possibly allowing the bolts to loosen.
Safety consequence
Loose bolts may cause the bracket to flex or break, potentially damaging adjacent components or locking up the steering, increasing the risk of crash.
Manufacturer remedy
PACCAR will notify owners, and dealers will install hardware with thread adhesive and replace any components damaged by the improperly secured steer assist bracket, free of charge. The recall began August 17, 2020. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 20PBD.
Notes
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.safercar.gov.
Sources
Official NHTSA notice for recall 20V429000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.