2020 PETERBILT 520 Recalls & Safety Issues
Official recalls, technical service bulletins (TSBs), and safety issues from the National Highway Traffic Safety Administration (NHTSA).
VIN Decoder
12
Recalls Found
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All Recalls
PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T800, T880 and W990 and Peterbilt 348, 367, 389, 520, and 567 vehicles. The forward rear axle output shafts may have been improperly heat treated during manufacturing, possibly resulting in the shafts fracturing.
NHTSA 19V911000
Consequence: If the rear axle output shaft fractures, the shaft or interaxle driveline could detach and become a road hazard, increasing the risk of a crash.
Remedy / Corrective Action
PACCAR will notify owners, and dealers will inspect and replace the output shafts, as necessary, free of charge. The recall began February 19, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 19KWE and 19PBG.
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.
NHTSA 20V506000
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 / Corrective Action
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. PACCAR's numbers for this recall is 20PBE and 20KWC.
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."
NHTSA 21V720000
Consequence: A missing quick release valve cannot ensure correct rear brake release timing, increasing the risk of a crash or injury.
Remedy / Corrective Action
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 this recall is 21PBK.
PACCAR Incorporated (PACCAR) is recalling certain 2016-2020 Peterbilt 320 and 520 vehicles with dual foot valves and a liftable tag or tri-drive rear axles. The rear brake signal hose may be missing a quick release valve, possibly causing a delay in their brake release timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Disc Brakes."
NHTSA 20V132000
Consequence: A delayed brake release may increase the risk of crash.
Remedy / Corrective Action
PACCAR will notify owners, and dealers will check the vehicles for a quick release valve, installing one as necessary, free of charge. The recall began March 24, 2020. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 20PBB.
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.
NHTSA 21V391000
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy / Corrective Action
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.
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.
NHTSA 21V004000
Consequence: If the steering column loosens from the mounting structure, steering control can become affected, increasing the risk of a crash.
Remedy / Corrective Action
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 of charge. Additionally, for the 520 models, dealers will install a large gusset with triangulating support for the column bracket, free of charge. Owner notification letters were mailed July 30, 2021. Owners may contact Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 21PBA.
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.
NHTSA 20V739000
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 / Corrective Action
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 25, 2021. Owners may contact Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 20PBF.
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.
NHTSA 20V429000
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.
Remedy / Corrective Action
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.
PACCAR Incorporated (PACCAR) is recalling certain 1990-2020 Peterbilt 320 and 520 vehicles built with specific amber rear turn signals. The turn signals may also light up with the stop/tail lights when the brakes are applied. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
NHTSA 19V452000
Consequence: Rear Turn signals that illuminate at the same time as the brake lights may create confusion and impair the effectiveness of the brake lights, increasing the risk of a crash.
Remedy / Corrective Action
PACCAR will notify owners, and for trucks with rear amber lights, dealers will add a jumper harness between the chassis electrical harness and amber tail lights, free of charge. The recall began August 1, 2019. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 19PBC.
PACCAR Incorporated (PACCAR) is recalling certain 2017-2020 Peterbilt 520 vehicles. Due to undersized wires, the connector between the cab power harness and the power distribution center (PDC) harness may overheat and melt, possibly resulting in an engine shutdown.
NHTSA 19V282000
Consequence: An unexpected engine shut down can increase the risk of a crash.
Remedy / Corrective Action
PACCAR will notify owners, and dealers will replace the main power wire to the PDC with a wire of the correct size, free of charge. The recall began August 6, 2019. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall is 19PBB.
PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.
NHTSA 22V277000
Consequence: Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
Remedy / Corrective Action
Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22 PBB and 22 KWB.
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.
NHTSA 22V939000
Consequence: An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.
Remedy / Corrective Action
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 at 1-940-591-4220. PACCAR's number for this recall is 22PBL.
Where to Find VIN for Recall Check
To check for recalls on your 2020 PETERBILT 520, you'll need the VIN number. Find your VIN in one of these 4 common locations.
Understanding VIN Structure for Recall Verification
Each character in your 2020 PETERBILT 520 17-digit VIN helps identify specific recalls affecting your vehicle. Learn how the VIN structure works for accurate recall lookup.
How to Check 2020 PETERBILT 520 Recalls in 3 Steps
1
Locate Your VIN
Find the 17-character VIN on your 2020 PETERBILT 520 dashboard (visible through windshield), door jamb, engine bay, or vehicle documents.
2
Enter VIN in Checker
Input your VIN into our free recall checker tool above to search NHTSA database for safety recalls, TSBs, and service campaigns specific to your vehicle.
3
Review & Schedule Repair
Check the recall details including affected components, consequences, and remedy. Contact your PETERBILT dealer to schedule free recall repair appointment.
Frequently Asked Questions
How many recalls does the 2020 PETERBILT 520 have?
The 2020 PETERBILT 520 currently has 12 recalls according to NHTSA records. All recall information is sourced directly from the National Highway Traffic Safety Administration database.
Are 2020 PETERBILT 520 recalls free to fix?
Yes! All safety recalls for 2020 PETERBILT 520 vehicles must be repaired free of charge by authorized dealers, regardless of vehicle age or mileage. Contact your local PETERBILT dealer to schedule a recall repair.
How do I check if my 2020 PETERBILT 520 has open recalls?
You can check for open recalls by entering your VIN (Vehicle Identification Number) in our VIN decoder tool. The 17-character VIN can be found on your vehicle registration, insurance card, or on the driver's side dashboard visible through the windshield.
Where can I find my 2020 PETERBILT 520 VIN number?
Your 2020 PETERBILT 520 VIN is located in 4 places: (1) Dashboard near windshield on driver's side, (2) Driver's door jamb sticker, (3) Engine bay, (4) Vehicle registration and insurance documents.
What should I do if my 2020 PETERBILT 520 has a recall?
Contact your nearest PETERBILT dealership immediately to schedule a free recall repair. Bring your vehicle registration or VIN number. All safety recalls must be fixed free of charge by the manufacturer, regardless of vehicle age or mileage.
Are NHTSA recalls mandatory to fix on 2020 PETERBILT 520?
While not legally required for vehicle owners to fix recalls, it's strongly recommended for safety. However, dealerships and manufacturers must offer free repairs for all official NHTSA recalls on 2020 PETERBILT 520 vehicles.
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