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March 5, 2020 Service bulletin

Technical Service Letter for DD Platform Heavy Duty, Metal in the Oil and Oil Filter

Freightliner technical service bulletin 20TS-02 for 2020-2021 Freightliner Cascadia, 2020 Freightliner Business Class M2 and 2020-2021 Thomas Built Buses Saf-T-Liner C2 and others.

Bulletin number
20TS-02
Component
Engine and engine cooling
Summary
Technical Service Letter for DD Platform Heavy Duty, Metal in the Oil and Oil Filter. Some engine component failures can cause metallic debris to circulate throughout the engine lubrication system. Although the oil filter will capture most of this debris, some debris may enter the clean side of the lubrication system during oil filter bypass. Detroit has created a lubrication system cleaning and flushing procedure to address this problem.

Owners of these vehicles have filed 4 complaints in the engine category.

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