2020 PETERBILT 337
3 recalls, 0 complaints - 40 TSBs
22V277000 Apr 25, 2022
STEERING:CRITICAL FASTENERS
Defect Description
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 ... Read more
Consequence
Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
Remedy
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.
21V391000 May 26, 2021
FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
Defect Description
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.
19V618000 Aug 22, 2019
STEERING:COLUMN
Defect Description
PACCAR Incorporated (PACCAR) is recalling certain 2019-2020 Peterbilt 337 and 348 vehicles. An incorrectly located weld in the steering shaft may crack and cause the lower shaft within the steering column to separate from the mating yoke.
Consequence
If the steering column separates from the mating yoke, loss of steering control can occur, increasing the risk of a crash.
Remedy
PACCAR has notified owners, and dealers will inspect and replace the steering column, if necessary, free of charge. The recall began August 30, 2019. Owners may contact PACCAR customer service at 1-940-591-422. PACCAR's number for this recall is 19PBD.
No complaints found for this vehicle.
Technical Service Bulletins, 2020 PETERBILT 337
40 manufacturer communications from 26 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 350000 EQUIPMENT | 8 |
| 060000 ENGINE AND ENGINE COOLING | 4 |
| 160000 STRUCTURE | 4 |
| 356000 EQUIPMENT ADAPTIVE/MOBILITY | 3 |
| 040000 SERVICE BRAKES, AIR | 3 |
| 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM | 2 |
| 030000 BRAKES (PWS) | 2 |
| 110000 ELECTRICAL SYSTEM | 2 |
32-019
Feb 10, 2023
160000 STRUCTURE
Fix As Fail a?? Chassis that were manufactured with certain battery cable routing brackets may experience rubbing or chafing of the battery cables.
32-019
Feb 10, 2023
110000 ELECTRICAL SYSTEM
Fix As Fail a?? Chassis that were manufactured with certain battery cable routing brackets may experience rubbing or chafing of the battery cables.
45-064
Oct 18, 2022
060000 ENGINE AND ENGINE COOLING
Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic c
14-043
Sep 9, 2022
020000 SUSPENSION
Fix-As-Fail On certain chassis with Low Air Leaf Suspension or Low-Low Air Leaf Suspension, the Height Control Valve (HCV) arm may be rubbing on other components when the bend in the arm is facing outboard. Flipping the bend in the HCV arm
13-060
Aug 3, 2022
030000 BRAKES (PWS)
The service information for Bendix Air Dryer maintenance is being updated to include new procedures.
13-057
Mar 3, 2022
040000 SERVICE BRAKES, AIR
Fix-As-FailA a?? A hill start assist (HSA) valve plumbing revision eliminates ice buildup in the HSA valve exhaust in cold weather.A
13-057
Mar 3, 2022
030000 SERVICE BRAKES, HYDRAULIC
Fix-As-FailA a?? A hill start assist (HSA) valve plumbing revision eliminates ice buildup in the HSA valve exhaust in cold weather.A
13-057
Mar 3, 2022
350000 EQUIPMENT
Fix-As-FailA a?? A hill start assist (HSA) valve plumbing revision eliminates ice buildup in the HSA valve exhaust in cold weather.A
13-057
Mar 3, 2022
356000 EQUIPMENT ADAPTIVE/MOBILITY
Fix-As-FailA a?? A hill start assist (HSA) valve plumbing revision eliminates ice buildup in the HSA valve exhaust in cold weather.A
51-013
Feb 4, 2022
350000 EQUIPMENT
Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile Gateway (PMG001) will experience severe 3G service degradation as early as January of 2022. Chassis currently utilizing 3G ant
43-071
Sep 21, 2021
080000 FUEL SYSTEM, DIESEL
Fix-As-Fail a?? Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available. As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a veh
02-168
Sep 20, 2021
160000 STRUCTURE
Information Only - Rear axle Quarter Fenders with less than two inches of clearance between the top of the quarter fender and the bottom of the trailer/equipment are susceptible to damage. The lack of clearance could result in cracked/broke
52-004
Jul 19, 2021
118410 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE
Fix-as-Fail: Radio does not mute when truck with auto trans is placed in reverse. Software flash resolves issue.
52-004
Jul 19, 2021
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Fix-as-Fail: Radio does not mute when truck with auto trans is placed in reverse. Software flash resolves issue.
21-PBD
Jun 22, 2021
070000 FUEL SYSTEM, GASOLINE
Safety Recall a?? Cummins Fuel Rail Leak a?? NHTSA ID: 21V391 / TC: 2021-323, Cummins Recall: C2423.A Cummins PX9 and ISX12 fuel rails may leak around a sealing washer, potentially resulting in fuel leaks.A Undetected prolonged diesel fuel
02-160
Feb 10, 2021
130000 VISIBILITY
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
02-160
Feb 10, 2021
136000 VISIBILITY:WINDSHIELD WIPER/WASHER
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
02-160
Feb 10, 2021
350000 EQUIPMENT
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
02-160
Feb 10, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
Information Only a?? Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
13-055
Oct 1, 2020
040000 SERVICE BRAKES, AIR
Fix as Fail: Peterbilt has introduced an improved mounting bracket for low mount air tanks for vehicles built between January 01, 2017 and July 06, 2020. Torsional vibration may stress the currently-installed brackets and cause them to fai
13-055
Oct 1, 2020
350000 EQUIPMENT
Fix as Fail: Peterbilt has introduced an improved mounting bracket for low mount air tanks for vehicles built between January 01, 2017 and July 06, 2020. Torsional vibration may stress the currently-installed brackets and cause them to fai
13-055
Oct 1, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Fix as Fail: Peterbilt has introduced an improved mounting bracket for low mount air tanks for vehicles built between January 01, 2017 and July 06, 2020. Torsional vibration may stress the currently-installed brackets and cause them to fai
14-027
Sep 25, 2020
160000 STRUCTURE
Information only: In 2020, Peterbilt and Kenworth began using the same M10, M12, M16, and M20 frame fasteners on all vehicles. Torque specifications for these fasteners are different from previous fasteners.
14-027
Sep 25, 2020
350000 EQUIPMENT
Information only: In 2020, Peterbilt and Kenworth began using the same M10, M12, M16, and M20 frame fasteners on all vehicles. Torque specifications for these fasteners are different from previous fasteners.
13-054
Jul 29, 2020
030000 BRAKES (PWS)
Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
43-067
Jun 10, 2020
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (a??SOCa??) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the
43-067
Jun 10, 2020
160000 STRUCTURE
Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (a??SOCa??) exhaust and built from 03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the
32-015
Jun 8, 2020
110000 ELECTRICAL SYSTEM
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplet
11-001
May 29, 2020
100000 POWER TRAIN
Information only: Hendrickson Softek front axle maintenance intervals and requirements.
32-016
Mar 17, 2020
350000 EQUIPMENT
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
03-071
Dec 18, 2019
118000 ELECTRICAL SYSTEM:SOFTWARE
Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.
01-075
Nov 6, 2019
060000 ENGINE AND ENGINE COOLING
Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.
TIB43-062
Sep 27, 2019
350000 EQUIPMENT
Information Only ??A?A? This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
TIB43-062
Sep 27, 2019
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Information Only ??A?A? This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
PB 13-050
Sep 6, 2019
040000 SERVICE BRAKES, AIR
Information: Chassis built after 01/11/2016 with hydraulic brakes were provided with a jumper harness in the glove box or tool box that is required when programming the ABS. If this harness is no longer in the vehicle, order from PACCAR Pa
19PBD
Aug 30, 2019
012000 STEERING:COLUMN
Safety Recall: Defectective lower hsaft to u-joint yoke in non-telescoping steering columns due to supplier weld not creating enough penetration and can crack, which could lead to a loss of steering and increase risk of crash or injury. R
19PBD
Aug 30, 2019
010000 STEERING
Safety Recall: Defectective lower hsaft to u-joint yoke in non-telescoping steering columns due to supplier weld not creating enough penetration and can crack, which could lead to a loss of steering and increase risk of crash or injury. R
42-056
Aug 28, 2019
060000 ENGINE AND ENGINE COOLING
Fix-As-Fail -??A? Composite fittings used in the cooling system may crack, resulting in coolant leaks. Brass fittings are available to replace the composite fittings.
42-058
Aug 23, 2019
060000 ENGINE AND ENGINE COOLING
Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
116-1
Jul 13, 2016
350000 EQUIPMENT
SmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.
PETERBILT 337 - All Years Overview
Complete safety history for the PETERBILT 337 across all model years (2008, 2023).
66
Total Recalls
6
Total Complaints
0
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths
PETERBILT 337 - Year by Year
Compare recalls and complaints across model years. Click any year to see full details.