2027 Kenworth W990 TSBs
6 Technical Service Bulletins across 4 categories
Categories
Engine
2 bulletins"The PKC Group power distribution center (PDC) in certain vehicles may be contaminated with oil, which could result in a...
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loss of power to the engine, antilock brake system, exterior lighting, windshield wipers, and/or defrost system. This issue may also result in non-compliance with multiple Federal Motor Vehicle Safety Standard (FMVSS) and Canadian Motor Vehicle Safety Standard (CMVSS) regulations, such as FMVSS/CMVSS 103 (windshield defrosting and defogging systems), 104 (windshield wiping and washing systems), and 108 (lamps, reflective devices, and associated equipment). PDC serial numbers of suspect trucks in the field will be inspected against the 26PACD Suspect Serial Number List in the Links section. If a match is identified, the PDC will be replaced."
An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
Electrical
2 bulletins[SmartAir / KIMS] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.
An installation guide is now available for temporary solar battery maintainers used on vehicles in dealer inventory.
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Using solar battery maintainers according to the attached guide can reduce instances of dead or undercharged batteries in stock vehicles at dealerships. Use of solar maintainers is considered a best practice for battery maintenance.
Other
1 bulletin"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
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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."
Brakes
1 bulletinThe battery care, maintenance, and charging guidelines have been updated to include Absorbent Glass Mat (AGM) battery information.
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Dealers are responsible for maintaining inventory trucks and on-shelf batteries.