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RecallGazette

Vehicle problems, recalls & safety intelligence

Freightliner Cascadia 2002–2019technical service bulletin

Bulletin sb4269 · NHTSA communication 10140992 · issued Mar 1, 2013

Technical service bulletin
communication type
Engine and Engine Cooling
component
2002–2019
model years
18
vehicle entries

Official summary

sb4269 DEF Metering Unit Inlet Screen Clogging Due to Excessive Moisture in the Air System

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.