Freightliner 122SD 2014–2020 — technical service bulletin
Bulletin 18SP729Rev · NHTSA communication 10163615 · issued Aug 7, 2019
Technical service bulletin
communication type
Equipment
component
2014–2020
model years
38
vehicle entries
Official summary
This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
Vehicles covered
- 2014 Freightliner 122SD
- 2015 Freightliner 122SD
- 2016 Freightliner 122SD
- 2017 Freightliner 122SD
- 2018 Freightliner 122SD
- 2019 Freightliner 122SD
- 2014 Freightliner Cascadia
- 2015 Freightliner Cascadia
- 2016 Freightliner Cascadia
- 2017 Freightliner Cascadia
- 2018 Freightliner Cascadia
- 2019 Freightliner Cascadia
- 2020 Freightliner Cascadia
- 2014 Freightliner Coronado
- 2015 Freightliner Coronado
- 2014 Western Star 4800
- 2015 Western Star 4800
- 2016 Western Star 4800
- 2017 Western Star 4800
- 2018 Western Star 4800
- 2019 Western Star 4800
- 2014 Western Star 4900
- 2015 Western Star 4900
- 2016 Western Star 4900
- 2017 Western Star 4900
- 2018 Western Star 4900
- 2019 Western Star 4900
- 2014 Western Star 5700
- 2015 Western Star 5700
- 2016 Western Star 5700
- 2017 Western Star 5700
- 2018 Western Star 5700
- 2019 Western Star 5700
- 2014 Western Star 6900
- 2015 Western Star 6900
- 2017 Western Star 6900
- 2018 Western Star 6900
- 2019 Western Star 6900
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.