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October 25, 2023 Service bulletin

Coolant leaks at the transmission cooler fittings on the radiator are occurring due to deformation of the...

Blue Bird technical service bulletin SU2302 for 2022-2025 Blue Bird Vision School Bus and 2022-2025 Blue Bird Vision Transit Bus.

Bulletin number
SU2302
Component
Power train
Summary
Coolant leaks at the transmission cooler fittings on the radiator are occurring due to deformation of the gasket used to seal off the transmission cooler. This deformation is caused from transmission oil wicking through the thread adapter threads and exposing the lower portion of the gasket to transmission oil. Re-configure hydraulic interface between the transmission cooler lines and the transmission oil cooler.

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

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