Question about 2000 Mazda MPV
Yes you are probably right! The easy way to deal with this is to leave the coolant pressure cap off after adding coolant and let the engine warm up until the coolant has expanded to it's full temperature volume. Coolant typically expands over 30% of its original volume as it reaches normal engine operating temp and this massive rate of expansion is often very convenient for flushing out air bubbles from the system. Also poke around under the hood and look for a bleed screw on the thermostat housing or near the highest point in the cooling system. you can crack that open when adding coolant but seriously don't do any of this when the engine is hot or even warm. Work on it cold then bleed the air out then try cranking it with the pressure cap off and letting the engine warm up. As soon as the engine is warm and whatever coolant has overflowed is no longer going to burn you then replace the cap. You can replace the cap while the engine is still hot though just don't burn yourself on any overflowing coolant. f none of this helps then use prestone radiator flush as reccomended and do so while the heater is turnded to it's hottest temp setting. That will flush the heater core of rust and particles that have restricted the flow of water through it during the off season when it sat without getting any use.
Posted on Jun 04, 2010
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Posted on Jan 02, 2017
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