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Your Fiesta should have a pressurized recovery tank (plastic tank with yellow cap ... says "Do not open when hot" or some such) ... I'm assuming that's what you're replacing. As long as my assumption is correct, your system is self bleeding. Coolant will travel through your recovery tank, which forces air out of the system. Fill the cooling system up, then ...


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Bleeding is not mandatory but I've found that it's almost always needed after draining and refilling. Very few have "bleed screws" any longer, if yours has one, use it, otherwise you may need to pull the upper line off and "burp" it until enough of the air is out so that it purges itself. A note on the 50/50 mixes. These cost you at least 2X what the ...


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It's not just marketing - although there is a lot of money to be made from vehicle care and parts. The coolant additive must protect the engine from corrosion, cavitation, and scale. Different engine types run at different temperatures, and there are various coolant standards for them. Also, some engines are made of aluminium, others of iron, and they need ...


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There are two types of coolant level management system. The goal is to ensure no air remains trapped within the coolant system. Air voids in heater core degrade heater performance and make noise. Air voids in the top of the head lead to poor cooling, possible warping. Bad stuff. In one type there is an overflow bottle, fed by a single small diameter hose ...


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I had the thermostat gasket replaced along with my coolant being flushed out and it seems to have solved the issue, I’ve had water added to my system rather than coolant to see how it goes.. Been running for a week from today with no issues


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It doesn't sound like it's likely you have any lasting damage as you didn't run out of coolant, it just got low and you caught it fairly early. It could be a straightforward coolant leak from a hose or a lose connection, however, since you said it's near the idler pulley it's very possible it's the water pump. The pump may have failed or it may be the gasket,...


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To my knowledge, the thermostat not only has nothing to do with the oil, oil isn't and shouldn't be anywhere near it (as far as the engine is concerned). The coolant and oil should be two separate systems ... narry the two shall meet. If they do, then there's something wrong. Just because it isn't overheating doesn't mean there isn't a problem with the head ...


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