2018 Kenworth T370 TSBs
24 Technical Service Bulletins across 11 categories
Categories
Electrical
7 bulletinsFix-As-Fail Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available.
Read full bulletin
As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a vehicle to continue operation with a failed DEF sensor by disabling the DEF sensor diagnostics.
Safety Recall Cummins Fuel Rail Leak NHTSA ID: 21V391 / TC: 2021-323, Cummins Recall: C2423.Cummins PX9 and ISX12 fuel...
Read full bulletin
rails may leak around a sealing washer, potentially resulting in fuel leaks.Undetected prolonged diesel fuel spray in the presence of an ignition source may increase the risk of fire.
Fix-As-Fail The Battery Management System (BMS) may report the incorrect battery condition.
Read full bulletin
Additional diagnostics are available to correctly determine and repair the root cause of the issue.
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the...
Read full bulletin
appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead...
Read full bulletin
to water intrusion and corrosion in some vehicles.
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
Fix-As-Fail: The cruise control may be inoperative after installing CECU software version P30-1030-118 if the vehicle...
Read full bulletin
was manufactured without an air pressure sensor. Until the software is revised to address this issue, a pressure sensor must be installed
Software & Calibration
3 bulletinsReplaced obsolete SRT codes with updated SRT codes.
Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer.
Read full bulletin
The issue can be temporarily resolved using any one of the included procedures.
Other
2 bulletins"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
Read full bulletin
2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number...
Read full bulletin
M86-6221-003**(TANK-DEF MEDIUM ASSY) and M86-6222-003**(TANK-DEF LARGE, ASSY). Resolution is to resolve the vibration on the tank cover by adding bottom tank washers.
Engine
2 bulletinsSAFETY RECALL Additional chassis have been included.
Read full bulletin
The chassis list has been updated. Certain T370 / T440 / T470 / T480 / T660 / T680 / T800 / T880 / W900 / C500 chassis may be equipped with air tank reservoirs that have less than twelve times the combined volume of all service brake chambers which fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) No.121, Air Brake Systems.
Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with...
Read full bulletin
Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to deliver secure software updates remotely. This will reduce downtime and save on maintenance costs for eligible vehicles.
Transmission
2 bulletinsFix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator...
Read full bulletin
(LCA) fault codes leading to possible LCA hardware replacement.
Fix as Fail: Vehicles with Eaton Ultrashift Plus or Fuller Advantage Automated transmissions may display fault codes...
Read full bulletin
and/or have clutch release problems due to broken clutch levers. Resolution is to replace the clutch.
Brakes
2 bulletinsFix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
Information Only T170, T270, and T370 with hydraulic ABS brakes require a programming harness.
Read full bulletin
The harness is now a required or recommended tool.
Fuel System
2 bulletinsNon-Safety Campaign- Incorrect GHG emissions identifier label for the tire classification listed on printed label.
Non-Safety Campaign ? T170/T270/T370 DPF/SCR Canister Bracket Bolts may be under-torqued.
Steering
1 bulletinSafety Recall Interim Notification - The Dana D-Series front axle steer arm fasteners that attach the steer arm to the...
Read full bulletin
steering knuckle may fail, increasing the risk of a crash or injury. Repair information will be added when a repair procedure and parts are available.
Body & Paint
1 bulletinInformation Only Windshield washer pumps have a high No Trouble Found rate.
Read full bulletin
Washer pumps may fail to spray due to a clogged filter.
HVAC & Climate
1 bulletinInformation Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
Read full bulletin
A/C compressor.
Pre-Delivery & Maintenance
1 bulletinInformation Only This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke...
Read full bulletin
Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).