2023 Kenworth T880 technical service bulletins
63 technical service bulletins and manufacturer communications cover the 2023 Kenworth T880, including 5 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- KW & PB 14 fuel injector part numbers (seven for MX-11 and seven for MX-13 engines) have been added to...
- Fuel Injection Pump part number 2344776PEX for MX-13 engines has been added to this warranty policy.
- 24PBE_24KWE RH Shift Stalk Update Warranty section has been updated with revised verbiage for picture...
- The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector
- 32 fuel injector part numbers (16 for MX-11 and 16 for MX-13) have been added to this warranty policy.
- The new 2.1m day cab lift tools, a Level 3 mandatory tool, are now available to order.
- RMI procedures have been updated to reduce the risk of progressive damage to the rocker arms
- Certain Kenworth EMY 2022 T680, T880 and W990 chassis may not contain an EAS operator’s manual in the...
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
- The procedure has been updated to include additional steps for verifying the software level on the vehicle...
- The verbiage in the Introduction section has been updated.
- This optional software update is now available for chassis equipped with EMY 2021B-2023 PACCAR MX-11 and...
- Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson...
- 7/17/2026
- The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to...
- The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to...
- The software is not yet available
- An optional software update will be available on 07/06/2026 for chassis equipped with EMY 2021B-2023PACCAR...
- Multiple fuel injector part numbers have been added to this warranty policy.
- KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The...
- Updated primary and/or secondary chassis modules for certain pre-production Kenworth chassis are now...
- Warranty section has been updated to include hood length definitions and filing instructions for...
- Troubleshooting procedures for 2.1m cab power windows are now available.
- (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation.
- Procedures have been updated to include additional truck models in the service intervals table.
- Certain EPA21 PACCAR MX engines are equipped with PHINIA fuel injectors that do not meet PHINIA’s...
- (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation
- The attached procedures document has been updated with more detail and explanations
- Bogie Crossmember Torque Value Update
- EMY21-25 ghg
- EPA17-24 mx
- Engine Air Filter Servicing UPDATE
- EPA17-24 MX-13
- Sheppard Recall Order Process Update
- Fuel Injection Pump part number 2344776PEX for EMY2022 MX-13 engines has been added to the Warranty Policy.
- The Parts section has been updated to clarify that freight charges for safety recall orders should not be...
- Procedure pictures updated for clarity
- Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis...
- The parts section has been updated for clarity
- Parts and procedures are now available for all affected chassis equipped with Vehicle Electronic Control...
- Safety recall
- Procedures are now available for Phase 1 chassis equipped with Internal Combustion Engines (ICE) and...
- Certain Kenworth T880/W990 trucks equipped with the Allison automatic transmission and customer installed...
- Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air...
- Safety Recall – INTERIM NOTIFICATION Parts are not currently available for this safety recall
- Paccar MX-11 & MX-13 EPA2021
- 14-033: T680/T880/W990
- Campaign Certain EPA2021 chassis equipped with PACCAR MX engines have Selective Catalytic Reduction (SCR)...
- There is currently a repair procedure available for T680E and T880E chassis that will address issues...
- Fix-as-fail
- PACCAR will reimburse customers for the local purchase of in-tank fuel additive for EPA2021 compliant MX...
- The emissions exemption expired on 12/31/2021 for certain pre-production vehicles equipped with PACCAR...
- Certain Model Year 2021-2024 chassis with PACCAR MX engines and optional fuel filter restriction virtual...
- The emissions exemption expired on 12/31/2022 for certain pre-production vehicles equipped with PACCAR...
- Info Only
- Info Only
- Kenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid...
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