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March 23, 2020 Service bulletin

Service Solution for Lower Radiator Pipe Rubbing on X15 Cummins engine

Western Star technical service bulletin SS1034681 for 2015-2021 Western Star 4900.

Bulletin number
SS1034681
Component
Engine and engine cooling: cooling system: radiator assembly
Summary
Service Solution for Lower Radiator Pipe Rubbing on X15 Cummins engine. Due to limited clearance, the lower radiator pipe may rub on the engine block and lower radiator hose may rub on the front engine support causing radiator coolant leakage on Cummins X15 installations.

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