repaired · 2024 Q4
Suspension: multiple axle
Risk. An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.
2021 Peterbilt 520Problems, recalls & complaints
NHTSA has logged 0 owner complaints about the 2021 Peterbilt 520. It is covered by 6 safety recalls, and for recall 21V-391 the manufacturer reports only 45% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 16, 2022. Updated daily.
Complaints by system
Where the 2021 Peterbilt 520 has problems
0 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
6 recalls
2021 Peterbilt 520 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q3
Service brakes, air
Risk. A missing quick release valve cannot ensure correct rear brake release timing, increasing the risk of a crash or injury.
repaired · 2023 Q2
Fuel injection system: fuel rail
Risk. A fuel leak in the presence of an ignition source increases the risk of a fire.
repaired · 2023 Q2
Steering: column
Risk. If the steering column loosens from the mounting structure, steering control can become affected, increasing the risk of a crash.
Show 2 more recalls
repaired · 2022 Q4
Electronic stability control (ESC)
Risk. A stability control event meant to only actuate the ABS controlled wheel ends could actuate lift axle brakes or modulate park brake chambers and could possibly…
repaired · 2022 Q2
Power train: axle assembly
Risk. The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Peterbilt.
Best & worst years
2021 vs. every other 520 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the 520 median. How we score
'90'91'92'93'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
- Avoid
- Caution
- Solid
- Best
- Not rated
Own a 2021 520?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.