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If the green coolant is dexcool compatible, then there's no pressing need to switch. Most (but not all) off the shelf pre-mixed coolants are compatible with just about everything and can even be used for topping off systems full of other coolants. However, topping off a red/orange system with green will tend to make for funny brown looking coolant that ...


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The Polo has a plastic impeller on its water pump spindle which can and does break off causing a loss of water flow and overheating. The thermostat has a pin location locating it in housing. These too can break. The fan coming on -as soon as you start up- means the coolant sensor on the engine and the one on the bottom of the radiator are, one or both, are ...


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By far the most likely cause for this is, as you guessed, a head gasket leak, allowing oil to leak through to the cooling system. This often happens not long before complete failure of the head gasket and potentially major damage to the engine, so get it to a garage now for a new gasket, radiator flush, check on rad pump etc.


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I am going to assume you took the vehicle somewhere and had them change the oil? I would put money on it whoever that someone was, put oil in the overflow by mistake, realized they did it, and put oil in the crankcase while not saying anything about the overflow. The key to me for this is when you said: Im talking about at least a quart of oil in the ...


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Could be someone put oil by mistake, I had lady friend took car to have oil changed and after about a block or 2 Engine lock up. They FORGOT to put oil in so things can happen. I'd flush rad a few times and test drive see if it happens again. Also does it have a trans cooler seperate from radiator or does it have lines in the rad for cooling, that could put ...



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