Freightliner Columbia 1999–2007 — technical service bulletin
Bulletin sb2061 · NHTSA communication 10141700 · issued Feb 26, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2007
model years
9
vehicle entries
Official summary
sb2061 Replacement Shunt Tube, EPA07 Caterpillar C13 and C15 Engines
Vehicles covered
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.