FCCC S2G 2020 — technical service bulletin

Bulletin 19TS-4REV · NHTSA communication 10166782 · issued Oct 28, 2019

Technical service bulletin

communication type

Engine and Engine Cooling

component

2020

model years

vehicle entries

Official summary

Technical Service Letter Revision on heavy duty coolant oil module and oil filter change. Older modules will not be compatible with newer module.

Vehicles covered

2020 FCCC S2G
2020 FCCC S2RV
2020 FCCC XBP
2020 FCCC XCM
2020 FCCC XCR
2020 Freightliner 108SD
2020 Freightliner 114SD
2020 Freightliner 122SD
2020 Freightliner Business Class M2
2020 Freightliner Cascadia
2020 Freightliner Coronado
2020 Thomas Built Buses Saf-T-Liner C2
2020 Western Star 4700
2020 Western Star 4800
2020 Western Star 4900
2020 Western Star 5700
2020 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.