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March 1, 2014 Service bulletin

Freightliner: due to compression set, a leakage may occur during extreme cold conditions, from the o rings...

Freightliner technical service bulletin FSB-49-34 for 2014-2015 Freightliner Cascadia, 2014 Freightliner Business Class M2 and 2014-2015 Freightliner 114SD and others.

Bulletin number
FSB-49-34
Component
Fuel system, other: storage: tank assembly
Summary
Freightliner: due to compression set, a leakage may occur during extreme cold conditions, from the o rings in coolant solenoid valve 13 and 23 gallon def tanks. Kit is available for replacing o rings in valve.

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