2021 PETERBILT 520 — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
6
Recalls
3
Service Bulletins
0
Investigations
Overview of the 2021 PETERBILT 520
The 2021 PETERBILT 520 has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 8 recall campaigns affecting this vehicle, covering issues with SUSPENSION:MULTIPLE AXLE, SERVICE BRAKES, AIR, FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL. 3 technical service bulletins have been issued by PACCAR Incorporated for this model year.
Recalls for the 2021 PETERBILT 520
NHTSA has recorded 8 recalls for the 2021 PETERBILT 520, potentially affecting up to 20,047 vehicles.
Recall 22V939000 — SUSPENSION:MULTIPLE AXLE
| 15,658 vehicles affected
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.
Consequence: An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.
Remedy: 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...
View full details →Recall 21V720000 — SERVICE BRAKES, AIR
| 15 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 520 vehicles. The quick release valve on the rear brake signal hose may be missing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Consequence: A missing quick release valve cannot ensure correct rear brake release timing, increasing the risk of a crash or injury.
Remedy: Dealers will inspect the vehicles for a missing quick release valve, and install one if necessary, free of charge. Owner notification letters were mailed on October 7, 2021. Owners may contact PACCAR's customer service at 1-940-591-4220 (Peterbilt). PACCAR's number for...
View full details →Recall 21V391000 — FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
| 612 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.
View full details →Recall 21V391000 — FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
| 612 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.
View full details →Recall 21V004000 — STEERING:COLUMN
| 1,021 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2015-2021 Peterbilt 320 and 520 vehicles. The steering column support structure may crack or break in certain right-hand, stand-up drive models.
Consequence: If the steering column loosens from the mounting structure, steering control can become affected, increasing the risk of a crash.
Remedy: PACCAR will notify owners, and dealers will inspect the 520 models right hand stand-pp steering column structure and replace it if cracks are present, as well as add additional support brackets to the new (if replaced) or existing structure, free...
View full details →Recall 21V004000 — STEERING:COLUMN
| 1,021 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2015-2021 Peterbilt 320 and 520 vehicles. The steering column support structure may crack or break in certain right-hand, stand-up drive models.
Consequence: If the steering column loosens from the mounting structure, steering control can become affected, increasing the risk of a crash.
Remedy: PACCAR will notify owners, and dealers will inspect the 520 models right hand stand-pp steering column structure and replace it if cracks are present, as well as add additional support brackets to the new (if replaced) or existing structure, free...
View full details →Recall 20V739000 — ELECTRONIC STABILITY CONTROL (ESC)
| 11 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 520 vehicles. The stability control brake relay may have the Spring Brake Modulating (SBM) Valve or the lift axle hose incorrectly connected.
Consequence: 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 de-stabilize the vehicle, increasing the risk of a crash.
Remedy: PACCAR will notify owners, and dealers will inspect the suspect chassis and correct the brake relay plumbing if needed, free of charge. PACCAR has issued owners an interim notification on January 4, 2020. Owner notification letters were mailed on January...
View full details →Recall 20V506000 — POWER TRAIN:AXLE ASSEMBLY
| 1,097 vehicles affected
Defect: PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough to sufficiently engage the locking feature of the corresponding nuts.
Consequence: 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.
Remedy: PACCAR will notify owners, and dealers will inspect suspect chassis and replace the pivot bolts, as necessary, free of charge. The recall began September 29, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220....
View full details →Owner Complaints for the 2021 PETERBILT 520
No complaints have been filed with NHTSA for the 2021 PETERBILT 520.
Safety Rating for the 2021 PETERBILT 520
NHTSA has not yet tested the 2021 PETERBILT 520 in its New Car Assessment Program.
Technical Service Bulletins for the 2021 PETERBILT 520
PACCAR Incorporated has issued 3 technical service bulletins (TSBs) for the 2021 PETERBILT 520. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
46-003 — ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
A software fix for model 520EV that are not equipped with ESP (Stability Control) is now available. The currently available soft ware, part number:SCM_1p5_BC_R5p00_003, will address issues caused by software version R5.00_002 that affect Peterbilt Model 520EV. The software update will correct the following issues: 1.) Power gauge displays axle...
TIB 98-020 — EQUIPMENT
Information Only â New Level 1 required tools are available to support MY21B MX engines.
E280 — ENGINE AND ENGINE COOLING
Non-Safety Campaign: Certain DC tools were incorrectly calibrated. The resulting torque issue could affect the EPA21 MX-11 and MX-13 Oil Pan and/or the Exhaust Manifold.
NHTSA Investigations for the 2021 PETERBILT 520
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the PETERBILT 520
- 2016 PETERBILT 520 — 0 complaints
- 2017 PETERBILT 520 — 0 complaints
- 2018 PETERBILT 520 — 0 complaints
- 2019 PETERBILT 520 — 1 complaint
- 2020 PETERBILT 520 — 3 complaints
- 2021 PETERBILT 520 (current)
- 2022 PETERBILT 520 — 0 complaints
- 2023 PETERBILT 520 — 0 complaints
- 2024 PETERBILT 520 — 0 complaints
- 2025 PETERBILT 520 — 0 complaints
- 2026 PETERBILT 520 — 0 complaints
Other PETERBILT Models
- PETERBILT 379 — 76 total complaints
- PETERBILT 579 — 52 total complaints
- PETERBILT PETERBILT — 40 total complaints
- PETERBILT 388 — 36 total complaints
- PETERBILT 389 — 34 total complaints
- PETERBILT 357 — 19 total complaints
- PETERBILT 386 — 14 total complaints
- PETERBILT 387 — 14 total complaints