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Preventive Maintenance Item

It is necessary to periodically unplug the connector at the low coolant probe and inspect for coolant contamination on the affected vehicles.

Coolant contamination of the engine harness may result in damage to the engine ECM. If contamination is not detected in time, coolant can travel throughout the harness causing damage to the engine ECM.
2007 - 2009 Visions and All Americans equipped with Cat and Cummins engines.
The low coolant probe in the radiator surge tank may be leaking internally through the connector.
The low coolant probe must be replaced.

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Blue Bird Part # 0106490.

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