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January 20, 2026 Service bulletin

Bulletin describing the proper de-aeration for Allison EGEN Flex Hybrid coolant loops.

New Flyer technical service bulletin TSIB 26-02 for 2022-2026 New Flyer XDE35 and 2022-2026 New Flyer XDE40.

Bulletin number
TSIB 26-02
Component
Power train
Summary
Bulletin describing the proper de-aeration for Allison EGEN Flex Hybrid coolant loops.

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