Question about 2004 Ford Explorer
Your post "changed the coolant" would imply partially/completely draining the coolant from the engine, radiator and reservoir. As in most vehicles, there is a drain plug at the bottom of the radiator for this purpose. In some instances, the drain plug would not be easily accessible and other mechanics simply loosen the bottom radiator hose which would serve the same purpose. Cleaning the residue could either be through flushing or low pressure compressed air on the radiator top opening. Coolant in this sense is then a mixture of water and "coolant" which is both anti-rust and anti-freeze and in most cases anti-boil. Depending on your location, weather condition and the specifications as described in your owner's manual, a 50/50 mix is often acceptable or alternately, a coolant gallon and top it off with water. Most Fords of this size would have something like 15 liters of water/coolant mixture inside.
Once done, it is important to bled/purge the air from the system. This could be done easily by running the engine with the radiator cap off and top with water till full.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
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Posted on Oct 12, 2008
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Posted on Jan 02, 2017
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