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October 28, 2019 Service bulletin

Technical Service Letter Revision on heavy duty coolant oil module and oil filter change

Freightliner technical service bulletin 19TS-4REV for 2020 Freightliner Cascadia, 2020 Freightliner Business Class M2 and 2020 Thomas Built Buses Saf-T-Liner C2 and others.

Bulletin number
19TS-4REV
Component
Engine and engine cooling
Summary
Technical Service Letter Revision on heavy duty coolant oil module and oil filter change. Older modules will not be compatible with newer module.

Owners of these vehicles have filed 3 complaints in the engine category.

Vehicles covered

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