2021 Kenworth T800 technical service bulletins
11 technical service bulletins and manufacturer communications cover the 2021 Kenworth T800.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Certain chassis equipped with an engine model year 2019
- This optional software update is expected to be available after 10/30/2026 for chassis equipped with EMY...
- Due to supplier constraints, an authorized aftermarket surge tank has been made available.
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- The verbiage in the Introduction section has been updated.
- The PACCAR Powertrain Prognostics Webcast video link has been removed
- Kenworth
- The attached procedures document has been updated with more detail and explanations
- Bogie Crossmember Torque Value Update
- Procedure pictures updated for clarity
- Condition, Chassis Affected, and Warranty sections updated with the following verbiage “E311 must be...
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