PACCAR Incorporated: Safety Recalls in 2020
Updated on March 19, 2026.
There were 8 safety recalls made by PACCAR Incorporated in 2020. See the details of the recalls below.
You can also see similar information for other manufacturers.
Data Source: NHTSA.
November 25, 2020
(Campaign #: 20PBF)
Stability Control Brake Relay Hose Misconnected
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 ID: 20V739000
Component:
# of Units Affected: 11
Consequence Summary:
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.
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.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
September 28, 2020
(Campaign #: 20KWD)
Incorrect Rear Brake ABS Modulator Valve/FMVSS 121
PACCAR Incorporated (PACCAR) is recalling certain 2016-2021 Kenworth T680 trucks equipped with a 2.1m Cab and WABCO 6S/6M ABS brake system with drum brakes. The brake systems were manufactured with a standard rear-brake ABS modulator valve instead of a quick release valve, which may exceed the intended service-brake release timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
NHTSA ID: 20V593000
Component: SERVICE BRAKES, AIR
# of Units Affected: 1,416
Consequence Summary:
Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.
Corrective Action:
PACCAR will notify owners, and dealers will replace the standard rear-brake, ABS modulator valve with a quick release valve, free of charge. The recall began November 30, 2020. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 20KWD.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 79.59
August 26, 2020
(Campaign #: 20PBE and 20KWC)
Lower Rear Pivot Bolts Improperly Sized
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 ID: 20V506000
Component: POWER TRAIN
# of Units Affected: 1,097
Consequence Summary:
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.
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.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
July 24, 2020
(Campaign #: 20PBD)
Power Steering Assist Cylinder Bracket May Break
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 ID: 20V429000
Component: STEERING
# of Units Affected: 239
Consequence Summary:
Loose bolts may cause the bracket to flex or break, potentially damaging adjacent components or locking up the steering, increasing the risk of crash.
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.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 75.31
April 6, 2020
(Campaign #: 20pbc AND 20KWB)
Driver not Warned when ABS Offline/FMVSS 121, 136
PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped with NAMUX Software. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."
NHTSA ID: 20V199000
Component:
# of Units Affected: 460,515
Consequence Summary:
If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Corrective Action:
PACCAR will notify owners, and dealers will update the NAMUX software within the cab control module, free of charge. PACCAR issued owners an interim notification on June 4, 2020. The recall began May 26, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's number for this recall is 20pbc AND 20KWB.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 33.98
March 4, 2020
(Campaign #: 20PBA)
Underhood Battery Jumper Cable May Short Circuit
PACCAR Incorporated (PACCAR) is recalling certain 2015-2020 Peterbilt 365, 389, 567, and 579 vehicles equipped with a left-hand under hood jumper terminal (option code 2539410). The positive battery jumper terminal cable may be too long, allowing it to chafe against the left front suspension spring and result in an electrical short circuit.
NHTSA ID: 20V130000
Component: ELECTRICAL SYSTEM
# of Units Affected: 35,671
Consequence Summary:
An electrical short circuit can increase the risk of a fire.
Corrective Action:
PACCAR will notify owners, and dealers will inspect the battery jumper terminal cables, and replace them as necessary, free of charge. The recall began April 30, 2020. Owners may contact PACCAR customer service at 1-940-591-4220. PACCAR's number for this recall is 20PBA.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 83.64
March 4, 2020
(Campaign #: 20PBB)
Delayed Brake Release/FMVSS 121
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 ID: 20V132000
Component:
# of Units Affected: 233
Consequence Summary:
A delayed brake release may increase the risk of crash.
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.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 87.55
February 14, 2020
(Campaign #: 20KWA)
Missing R12 Relay Valve/FMVSS 121
PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T370 long wheelbase vehicles with larger rear axle spacing. The vehicles may be missing a second R12 relay valve, causing increased brake activation timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
NHTSA ID: 20V086000
Component: SERVICE BRAKES, HYDRAULIC
# of Units Affected: 4
Consequence Summary:
Increased brake activation timing may lengthen vehicle stopping distance, increasing the risk of a crash.
Corrective Action:
PACCAR will notify owners, and Kenworth dealers will install a second R12 relay valve, free of charge. PACCAR issued owners an interim notification on April 14, 2020. The recall began May 6, 2020. Owners may contact Kenworth customer service at 1-425-828-5888. PACCAR's number for this recall is 20KWA.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
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