Question about 2000 Lincoln LS

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2003 Lincoln LS V8 3.9. It was overheating. I replaced thermostat housing kit with thermostat and coolant reservoir. the coolant temperature gauge stops straight horizontal, at this time the car diagnostic shows that coolant temperature is 104.5 C., while the electric cooling fan is not blowing faster. when I start the car the same happens but when I go ride the coolant begins to boil. I see it boiling in coolant reservoir. the coolant reservoir cap doesn't fit well. today it blow out the coolant. is the 104.5 C. a normal temperature? if it isn't, why the electric cooling fan doesn't speed up until the temperature reaches 104 C.? what is normal, operating temperature for this models? what else should I do if it'll continue overheating after I get the normal reservoir cap?

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I dont think the coolant is boiling, I think you have an air bubble in your system wich is causing a air lock and youll need it flushed out. Your reservior cap should be tight always.. never loose this is an air tight system and your allowing it to get air in it. I have a 2002 linc ls and just had to pay 1000.00 to replace the system because I let an air lock go for too long and had so much back pressure I blew up my reservior.

Posted on Sep 12, 2010

Testimonial: "Thanks a lot. I've changed the coolant reservoir and reservoir cap. now it seems everything is ok with my car. so, your advise was really helpful."


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first thing I would try is to washthe radiator. if too much dirt builds up on the outside of it, it can trap heat inside. id go to a carwash, and spray it with water from the rear, if you can get to it. and be thorough if possible. also, check to see that the cooling fans are working when your engine is hot and running. if not, you may need to replace the fan or fan relay. if that doesnt work either, then you may have either a leaking head gasket,which should be diagnosed with a compression test done by a tech., or you may have an issue with your ignition timing, which would also build up an excessive amount of heat.

Posted on Sep 02, 2009

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