Question about 2004 Lincoln LS

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Radiator Fan always Running

I just had both thermostat housings (along with the thermostat) replaced after an overheating issue and now the radiator fan is always on when the car gets to its running temp. I have looked online in several different forums and have gotten about a dozen different answers. Has anyone else gone through this issue and is there any harm in just letting it go for a while? Its a 2004 Lincoln LS V8. Approx. 141,

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  • Lincoln Master
  • 5,501 Answers

Temperature sensors trigger cooling fan. But can be a stuck cooling fan relay that refuses to disengage.

This fan will strain charging system and may cause engine to run too cool at times.

Posted on Jul 26, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1129 Answers

SOURCE: My 2000 Lincoln LS V8 is overheating.

Sometimes a vacuum leak can cause the engine to run lean and hot, Have Auto Zone run a free code check on the car to search for a stored trouble codes this may help.

Posted on Jul 15, 2009

  • 633 Answers

SOURCE: 2002 Lincoln LS, V6 overheats

Did you purge the air out of the syst.? Also you replaced the fan but are they coming on? have you checked the fuses and relays? if all this is ok then is the computer comanding it on? Is the computer getting correct info from Eng coolant temp. snsr (ECT)

Posted on Aug 02, 2009

SOURCE: 2002 LS: aHow do I fill radiator in my V8 Lincoln LS...

First- to drain ,you can reach the drain valve,from the pass side,if you lay on the ground and reach up to the radiator. You do not even have to raise the vehicle up
Second- mix Yellow GO5 Coolant about 50/50 or 60/40. Do not use Green in a Ford or Orange GM
To Fill- Remove the front two plastic screw type buttons,from the engine cover
-Remove the cover
The radiator cap is on the front of engine,on top,it is plastic
Remove cap and that is your fill point
Run engine to warm and get thermostat open,as you would with any vehicle
Top off coolant,replace cap
VERY IMPORTANT-next to the Power Brake Booster,and just under it,is a BLEEDER HOSE;to let air out of system. Turn screw slot ,only a little,DO NOT REMOVE SCREW. When coolant runs out close.
Fill-Degas Bottle,to full line,with coolant.
Check the next couple days on resevoir level ( Degas Bottle)

Posted on May 06, 2010

rickyrt441
  • 4399 Answers

SOURCE: Have a 2000 Lincoln LS, V8. It is overheating and

Have you checked the coolant temperature sensor?

Posted on Feb 17, 2011

SOURCE: the radiator cooling fan will

Could be wrong on your model year

But my 2004 V8 has no CTS Sensor
only a cylinder heat sensor

Posted on May 31, 2011

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Hello and welcome to FixYa! If you have overheating problem, it can lead to multipleissues. You may be running on low coolant that's why the vehicle overheats. Ifthat's the case, please add coolant and make sure that it sits on the rightlevel, too much coolant can cause overheating too for coolant will overflow. The vehicle may have a faulty or worn out radiator blowermotor that's why it overheats. If that's the case then you will need a blowermotor replacement to resolve the issue. If the radiator is clogged with dirt and rusts this issueoccurs too. The coolant doesn't flow normally on the cooling system if it'sclogged. If that's the case, I strongly suggest that you have the radiatorflushed to drain out dirt and rusts. If you think that the radiator served youenough then it's better to have it replaced. Please do check the radiator hoses, If you have worn outhoses it can cause coolant leakage which can result to overheating. A tiny holeis good enough for the vehicle to overheat. A faulty thermostat sensor can cause the issue too. If youhave worn out thermostat, the fan may not trigger that's why the fan won't workwhen under stressed conditions. A blown radiator blower fuse can cause thisissue too so I suggest that you check the radiator blower fuse and replace itwhen necessary. What causes the radiator blower fan fuse to blow? It's becauseof a failing radiator blower motor, If that's the case have the radiator blowerfan motor replaced. If the fluid in radiator doesn't circulate then it meansthat you have a blown head gasket or a faulty water pump. I suggest that you gofor the water pump replacement first specially if you think that it's near theend of it's service life. Usually, water pops out the radiator when engine isreved (a sign of faulty water pump and possible blown head gasket). Hope you find this information helpful enough and thank youfor using FixYa! Have a good one!

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Hello and welcome to FixYa!


If you have overheating problem, it can lead to multiple issues. You may be running on low coolant that's why the vehicle overheats. If that's the case, please add coolant and make sure that it sits on the right level, too much coolant can cause overheating too for coolant will overflow.


The vehicle may have a faulty or worn out radiator blower motor that's why it overheats. If that's the case then you will need a blower motor replacement to resolve the issue.


If the radiator is clogged with dirt and rusts this issue occurs too. The coolant doesn't flow normally on the cooling system if it's clogged. If that's the case, I strongly suggest that you have the radiator flushed to drain out dirt and rusts. If you think that the radiator served you enough then it's better to have it replaced.


Please do check the radiator hoses, If you have worn out hoses it can cause coolant leakage which can result to overheating. A tiny hole is good enough for the vehicle to overheat.


A faulty thermostat sensor can cause the issue too. If you have worn out thermostat, the fan may not trigger that's why the fan won't work when under stressed conditions. A blown radiator blower fuse can cause this issue too so I suggest that you check the radiator blower fuse and replace it when necessary.


Hope you find this information helpful enough and thank you for using FixYa! Have a good one!

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If you have overheating problem, it can lead to multiple issues. You may be running on low coolant that's why the vehicle overheats. If that's the case, please add coolant and make sure that it sits on the right level, too much coolant can cause overheating too for coolant will overflow.


The vehicle may have a faulty or worn out radiator blower motor that's why it overheats. If that's the case then you will need a blower motor replacement to resolve the issue.


If the radiator is clogged with dirt and rusts this issue occurs too. The coolant doesn't flow normally on the cooling system if it's clogged. If that's the case, I strongly suggest that you have the radiator flushed to drain out dirt and rusts. If you think that the radiator served you enough then it's better to have it replaced.


Please do check the radiator hoses, If you have worn out hoses it can cause coolant leakage which can result to overheating. A tiny hole is good enough for the vehicle to overheat.


A faulty thermostat sensor can cause the issue too. If you have worn out thermostat, the fan may not trigger that's why the fan won't work when under stressed conditions. A blown radiator blower fuse can cause this issue too so I suggest that you check the radiator blower fuse and replace it when necessary.


Hope you find this information helpful enough and thank you for using FixYa! Have a good one!

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Hello and welcome to FixYa!


If you have overheating problem, it can lead to multiple issues. You may be running on low coolant that's why the vehicle overheats. If that's the case, please add coolant and make sure that it sits on the right level, too much coolant can cause overheating too for coolant will overflow.


The vehicle may have a faulty or worn out radiator blower motor that's why it overheats. If that's the case then you will need a blower motor replacement to resolve the issue.


If the radiator is clogged with dirt and rusts this issue occurs too. The coolant doesn't flow normally on the cooling system if it's clogged. If that's the case, I strongly suggest that you have the radiator flushed to drain out dirt and rusts. If you think that the radiator served you enough then it's better to have it replaced.


Please do check the radiator hoses, If you have worn out hoses it can cause coolant leakage which can result to overheating. A tiny hole is good enough for the vehicle to overheat.


A faulty thermostat sensor can cause the issue too. If you have worn out thermostat, the fan may not trigger that's why the fan won't work when under stressed conditions. A blown radiator blower fuse can cause this issue too so I suggest that you check the radiator blower fuse and replace it when necessary. What causes the radiator blower fan fuse to blow? It's because of a failing radiator blower motor, If that's the case have the radiator blower fan motor replaced.


Hope you find this information helpful enough and thank you for using FixYa! Have a good one!

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Are the fans electric motor driven, or fan belt driven? If fan belt driven, replace the fan clutch. If electric motor driven, check the fan control module and/or fan motors to make sure all is good there. Fan control module tend to fail in weird ways, so if nothing is wrong with the motors, replace the module.

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Check the radiator for corrosion. Boil the radiator out, or have it done, or replace the radiator.


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