First one back that didn't need clarification:
Quote:
High surface temperatures are normal within the engine, and to a much larger scale, so I don’t think you’d see much effect. I assume there would be a thermostat on the unit so it would cut off if above a set temperature, so that would limit the “on” time also. It is common for a vehicle to require a coolant change at 150,000 miles or 5 years, so I suppose it could cut into your mileage allowance slightly, but probably not significantly.
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