2019 Kenworth W990 technical service bulletins
48 technical service bulletins and manufacturer communications cover the 2019 Kenworth W990, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Kw & pb DEF
- The new 2.1m day cab lift tools, a Level 3 mandatory tool, are now available to order.
- 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...
- 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 Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to...
- Updated Eaton's TAIB0885EN Bulletin link.
- The PACCAR Powertrain Prognostics Webcast video link has been removed
- Kenworth
- Troubleshooting procedures for 2.1m cab power windows are now available.
- The attached procedures document has been updated with more detail and explanations
- Bogie Crossmember Torque Value Update
- EPA17-24 mx
- EPA17-24 MX-13
- Certain W990 chassis may have hood hardware that could loosen
- Certain W990 hood-mounted engine air intake covers could loosen and rattle or separate from vehicle
- Certain chassis with Engine Model Year 2016-2021 PACCAR MX-11/MX-13, or EPA13 and EPA21 Cummins...
- Certain Model Year 2021-2024 chassis with PACCAR MX engines and optional fuel filter restriction virtual...
- This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken...
- Info Only
- Kenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid...
- Safety Recall â Interim Notification
- Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet...
- Non-Safety Campaign
- Fix-As-Fail – Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are...
- Information Only – C hassis equipped with MY2021 B EPA emission s standards will be shipped through...
- Non-Safety Campaign – The batteries may drain quickly due to the VECU not going to sleep
- Information Only – Windshield washer pumps have a high No Trouble Found rate
- Non-Safety Campaign – Vehicles with PACCAR transmissions may experience transmission service lamp...
- Non-safety campaign: Vehicles equipped with an Eaton Endurant 12 speed transmission may experience...
- Fix-As-Fail – The Battery Management System (BMS) may report the incorrect battery condition
- Power train
- Fix-As-Fail – The Master Switch Module (MSM) may lose dash switch memory and functionality when the...
- Fix-As-Fail
- Information Only:
- DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank...
- Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment...
- Information Only: The AutoStart System Test does not recognize the hood opening and closing when running...
- Information Only
- Fix-As-Fail
- Fix As Fail-Shudder sensation near the governed vehicle speed when using cruise control due to excessive...
- Information Only:
- Information Only â
- Fix-As-Fail -Â Composite fittings used in the cooling system may crack, resulting in coolant leaks
- Fix-As-Fail: Two separate causes have been identified as root
- Fix as Fail HVAC system may demonstrate inadequate temperature control, be stuck in defrost mode, or have...
- Fix-As-Fail ? Intermittent throttle hesitation may be encountered after installing an optional PTO connector.
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