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August 19, 2021 Service bulletin

Service Solution for Transmission Cooler Line Plumbing Fitting

Western Star technical service bulletin SS715WST-2021 for 2021-2022 Western Star 49X.

Bulletin number
SS715WST-2021
Component
Engine and engine cooling
Summary
Service Solution for Transmission Cooler Line Plumbing Fitting. Transmission cooler line plumbing fitting connections at the radiator may have relative movement between rail and radiator allowing fittings to become loose and leak.

Owners of these vehicles have filed 1 complaints in the engine category.

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