![]() ![]() But, again, if another issue has resulted in low pressure, the coolant level is insufficient. That, too, normally is not a problem - the engine easily can handle the very short time without coolant return. Ford engineers found that in certain conditions, coolant was being directed into the radiator to be cooled, but briefly - such as for 15 seconds - was not flowing back into the engine. The coolant needs of various parts of an engine vary with conditions, such as cold weather or during warm-up. Ford said it has seen 12 fires in Escapes and one in a Fusion. If the coolant boils over, the engine goes into extreme overheating, which can result in fluids leaking, coming into contact with the hot exhaust system and potentially causing a fire. Most of the time, he says, that would not be a big deal.īut if the car has another cooling system issue that could result in low pressure, such as a loose filler cap or a pinhole-size puncture in a hose, the coolant could boil. "We had a sequence of events that caused the cooling system software to restrict coolant flow," he says. The problem, it turns out, was a combination of two issues, says Raj Nair, Ford's vice president of global product development. ![]() In the recall announcement, owners were urged to contact Ford dealers to arrange for loaner cars until the problem could be fixed. Starting next week, owners of the 89,153 vehicles recalled will be urged to go to a Ford dealer to have the car's electronic controls "flashed" with new software aimed at ensuring the cooling system won't allow the turbocharged engine to dangerously overheat.įord hopes it can quickly close the embarrassing period in which it was forced to order the recall but could not immediately pinpoint a cause or say how it was going to fix it. It says the issue can be fixed with a simple software update. Ford Motor says that it has pinpointed the cause of overheating in the 2013 Fusion sedans and Escape crossovers with a 1.6-liter EcoBoost engine, ending a mystery that began with a big recall last week. ![]()
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