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July 2, 2018 Service bulletin

Servicenews article

Honda technical service bulletin A17070B for 2017-2018 Honda Clarity Fuel Cell.

Bulletin number
A17070B
Component
Engine and engine cooling
Summary
Servicenews article - The Clarity Fuel Cell vehicle has two very different cooling systems. One system cools the fuel cell system; the other one cools the inverter system. The fuel cell system uses a 50% coolant mixture called fuel cell insulating fluid, This fluid can't be mixed with any other fluid. Doing so cuts its insulating properties and will damage the fuel cell system.

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