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Overview
A real-world repair video, not a planned how-to: the owner accidentally drained his coolant during a job and is now figuring out the flush-and-fill process himself, referencing forums and the manual on camera. Covers removing the reservoir bottle, locating the radiator drain plug, flushing with water, mixing coolant ratio (7-quart system capacity), and coolant selection debate. Best for L3901 owners doing a first coolant service with no prior experience.
An owner-operator sharing a practical fix from his own farm, having researched the process himself rather than speaking from prior mechanical expertise.