Question about 1999 Ford Taurus
My Ford Taurus heater, when I turn it on gets hot, then it starts to get cold, what might the problem be, please help.
Check radiator fluid level. The heater core sets higher than the engine. If fluid gets low, air bubbles will go to the highest point. The heater core. Check temperature guage. Is engine warming up to normal range? If not change the thermostat. Also check radiator cooling fans with engine warm.
On my car if I set the heater control on anything other than "vent" both cooling fans come on and the engine will not warm up. (still haven't figured that one out) I just run the heater in "vent"
If heater warms up when engine is held at high idle(2000rpms) then cools down at idle, you most likely have air traped in the system.
Posted on Oct 11, 2008
Check the heater core for a clog or the heater control valve. The easiest was to check these is allow heater to run for a few minutes and check the two hoses coming from under the hood against the fire wall. They should both be hot. If they are not, you have one of the above problems. Start with the heater control valve and replace it. It is much cheaper than than a heater core. Next, you will need to pull the lines from the firewall and see is rust starts coming out of the lines, if so, you may be able to flush the system and clear the blockage. After that, if it does not work, it will require replacing the heater core, which is no easy or cheap feat.
Let me know if there is anything more I can help you with.
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Posted on Sep 24, 2008
Posted on Sep 24, 2008
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Posted on Jan 02, 2017
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