Peterbilt 520 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
4 owner complaints analyzed
24 distinct recall campaigns
2,731 mi median reported failure mileage
Scope: 1990 to 2026 model years. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Service Brakes is the most frequently named component, appearing in 4 of 4 complaints (100.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 3 | 75.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Service Brakes | 4 |
Service Brakes: 4
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2021 | 3 |
2019: 1; 2021: 3
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 3 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11204662 · 2019-04-30 (April 30, 2019)
FRONT BRAKES DRAGGING AND LOCKING. WRONG SIZE S-CAM BUSHING INSTALLED FROM FACTORY. *DT
Owner-reported narrative. 2,731 miles reported. Look up ODI 11204662 at NHTSA ↗
Owner report 11427420 · 2021-08-02 (August 2, 2021)
Truck was brought in because driver heard a grinding noise. Mechanic inspected and found that the front disc brake pads and separated from the backing. Truck was thought to still be under warranty and was then taken to dealership for repairs.
Owner-reported narrative. Look up ODI 11427420 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 2 |
2010: 1; 2011: 1; 2012: 1; 2013: 1; 2014: 1; 2015: 3; 2016: 4; 2017: 5; 2018: 8; 2019: 8; 2020: 12; 2021: 6; 2022: 4; 2023: 5; 2024: 8; 2025: 7; 2026: 2
Year-by-year records
| Model year | Complaints | Recalls | Change in recalls |
|---|---|---|---|
| 1990 | 0 | 1 | Not available |
| 1991 | 0 | 1 | 0 |
| 1992 | 0 | 1 | 0 |
| 1993 | 0 | 1 | 0 |
| 1994 | 0 | 1 | 0 |
| 1995 | 0 | 1 | 0 |
| 1996 | 0 | 1 | 0 |
| 1997 | 0 | 1 | 0 |
| 1998 | 0 | 1 | 0 |
| 1999 | 0 | 1 | 0 |
| 2000 | 0 | 1 | 0 |
| 2001 | 0 | 1 | 0 |
| 2002 | 0 | 1 | 0 |
| 2003 | 0 | 1 | 0 |
| 2004 | 0 | 1 | 0 |
| 2005 | 0 | 1 | 0 |
| 2006 | 0 | 1 | 0 |
| 2007 | 0 | 1 | 0 |
| 2008 | 0 | 1 | 0 |
| 2009 | 0 | 1 | 0 |
| 2010 | 0 | 1 | 0 |
| 2011 | 0 | 1 | 0 |
| 2012 | 0 | 1 | 0 |
| 2013 | 0 | 1 | 0 |
| 2014 | 0 | 1 | 0 |
| 2015 | 0 | 3 | +2 |
| 2016 | 0 | 4 | +1 |
| 2017 | 0 | 5 | +1 |
| 2018 | 0 | 8 | +3 |
| 2019 | 1 | 8 | 0 |
| 2020 | 3 | 12 | +4 |
| 2021 | 0 | 6 | -6 |
| 2022 | 0 | 4 | -2 |
| 2023 | 0 | 5 | +1 |
| 2024 | 0 | 8 | +3 |
| 2025 | 0 | 7 | -1 |
| 2026 | 0 | 2 | -5 |