I would check operation of cooling fans first and the possibility of air in the cooling system .
Sounds like the cooling fan is not running
to push cool air through radiator fins . Alternatively the core has become blocked not allowing coolant to pass through.
Another possibility is a faulty water pump. Check for coolant circulation
It could be a few things. When it is warm put your hand in the center of the radiator if it is warm good if it is cold the radiator is plugged.
It could be the thermostat which is the cheapest or the big problem it could also be head gaskets.
SOURCE: 2004 ford taurus. Its not overheating but there
Did you recently have a transmission fixed?
If so it sound like the drive plate bolts were not applied with Loctite.
Maybe a oil viscosity problem if not a transmission job.
SOURCE: my car keeps overheating while it is idling.
If it's only happening while sitting at a stop light and idling, the problem is probably in the cooling fans. Turn your A/C on high and pop the hood. Check your cooling fans to see if they're running. If they aren't running, it's the fan relay. In my 99 Taurus, the high speed fan relay is located in a slim black box next to the battery, it's the large square relay right up front. Use a known working relay of the same size and pop it into this relay. If the fans turn on, there's your problem. Replace the relay. Try the same with the A/C on low, but this relay is in the power distribution box (number 31). The 2002 may have a CCRM (Constant Control Relay Module). The CCRM is an expensive part (over $100.00). You'll be able to tell because the CCRM is a very large box that is mounted next to the battery and contains relays that are not replacable. It'll have a part number followed by a large letter/number. You'll need this part number and large letter/number to order the new.
SOURCE: Radiator blockage?
I believe you have a head gasket blown or a cracked head. When you start it up COLD with the cap off, it would push water out immediately. Fill it with plain water and try this. It might not be a bad idea to perform a pressure test too. Also check for antifreeze in the oil. It will get milky looking and might even be over full. If this happens after warm-up, you may just have a plugged radiator. Have it professionally cleaned. The water pump vanes could also possibly be corroded off and it's not effectively displacing coolant. Hope this helps.
SOURCE: 2000 ford taurus overheating i believe from
well if you pull the thermostat and it has a guewy residue on it you need to flush the cooland system but most of the time if your engine is overheating its 1 of 2 things... the water pump is shot or the thermostat is sticking closed. that is where i would start though the thermostat is the cheaper of the 2 and easer to get at
good luck
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