Question about Lincoln LS

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The fan runs constantly at a high rate. I can get in the car after it's been parked overnight and drive about a mile and the fan kicks on. The fan comes on whether or not the AC is on. The temperature gauge is normal. The fans never cuts off once it comes on. I have a 2005 Lincoln LS with 40000 miles. I have had this problem about two months now. I took it to a trusted mechanic who put it on the computer. No codes concerning the fan or temperature. He wants to check to see if the fan has lost a blade. Other than that we do not have any leads.

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  • Lincoln Master
  • 14,333 Answers

The fan relay is bad.

Posted on May 01, 2017

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 169 Answers

SOURCE: 2005 jeep grand cherokee 4.7

Well, the blower resistor handles the lower speeds and the hi-blower relay handles the hi speed only. if the fan still works on the lower speeds then the resistor is bad. if the fan doesn't work at all then your motor has failed and or burn't the relay out also. if you can get your blower to start by hitting the kick panel above the pass. side foot area then the motor is bad. if you are handy enough to drop the kick panel and access the motor then check the connections at the motor. Then wack the motor and see if it comes on then. you will most likely find the problem if you follow those simple rules above. Good luck.

Posted on Aug 31, 2008

  • 6982 Answers

SOURCE: Lincoln LS 2000 V6 overheating after reparing intake manifold lea

Couple of items you need to check. Make sure that your radiator is flowing properly. Often after sitting dry, blockages harden up and flow less than before, overheat originally before repair can also free up debris inside engine and add to plugging of core. Make sure that fans are operating especially with ac on. If you did not change thermostat during repair, change it. Not often but they can sometimes partially open, restricting flow. Also make sure that coolant is at correct concentration (50/50) and that there is no air trapped in the system.

Posted on Jun 17, 2009

MNfisherman
  • 11896 Answers

SOURCE: Mini Cooper temperature gauge goes to red zone, fan comes on

If you have a new thermostat, then your temp sensor is faulty. If sensor is new, then it is the wiring to sensor or problem with the ECM

Posted on Aug 25, 2009

Testimonial: "Thanks for the prompt answer -- what is and ECM?"

goody2shoe
  • 109 Answers

SOURCE: is there any way to use a smaller radio in a lincoln ls

They have kits specially designed for the gap ....bring to your local car stereo shop they will be able to replace the stereo to your liking ...with no gaps ...

Posted on Jan 03, 2010

SOURCE: tHE BATTERY IS DRAINING OVERNIGHT. ALTERNATOR IS

If the battery is draining at all ,beyond 40 milli amps continuous,which is what keeps the radio clock,pcm (computer) and other devices powered up,then something is not timing out,such as windows,door locks,on the LS the radio etc. Retained memory is just that or it goes to sleep ie no current flow. I won't go into how you check current flow but it is fairly easy. The time consuming task will be to find the offender. You could pull all the fuses and replace them one at a time,but need an ampere meter in the circuit,so that's why I won't go into it. Now fuses alone are just a start and time here is limited. The LS has an awfull lot of stuff. I have a 2004. Even the Alt and a long list of things could cause this.

Posted on Feb 11, 2010

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2 Answers

Cooling fans kick on for a few seconds then cut off


The fan should work off of the water temp. The fan will come on and off to keep the constant temp on the cooling water. If equipped with a second fan it is probably for the AC and will run when the A/C is on. If you think the fan should be on. Then If you know where the fan relay is check to see if it is hot, if real hot the relay may be going bad. Hope you know this when you turn the car off the fan can still come on if the water temp is to high. My thought fan going bad, temp sensor or relay may be the problem.. If you can touch the fan motor metal housing and it is real hot the fan man be going bad, remember the blades can start at any time.

May 01, 2016 | 1999 Oldsmobile Aurora

1 Answer

My car fan come on when the car at normal temp constantly. I just replaced a cracked radiator and thermostat. Now my car fan constantly run when the car is in park or stand still


you have created an overheating problem by replacing the radiator and the thermostat and not ensuring that there was no air lock in the cooling system
The fan is now constantly running because the coolant sensor is reading a high coolant temperature
First step is to ensure that there is not an air lock in the cooling system by bleeding the air out and if the fan still runs then check the way the thermostat was installed

Apr 15, 2015 | 2006 Infiniti M35

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Does The Fan Come on When Turned on or Does it have to Heat Up First. Model JS-1500


As long as the fan _does_ come on, it is probably (highly likely) working correctly. These fans control ''overheating'' conditions. They aren't really for ''constant cooling'' like older cars.

Jan 01, 2015 | Cars & Trucks

1 Answer

Fan doesn't run while in idle and begins to over heat until I start driving agin then it cools back down to normal. Also the fan runs when engine is off and drains the battery.


The fan is only supposed to come on when there is excess heat .. in normal driving conditions it doesn't start. When you start your car in the morning the fan won't come on because the engine is cold.

With a hot engine - and it depends how hot the engine is - the fan will only kick in to prevent overheating. In heavy slow moving traffic or a traffic jam, the fan will kick in if needed.

The air flow through the radiator is usually sufficient -in normal driving conditions - to cool the engine.

When you park up and the car has a hot engine, the fan will kick in. This is perfectly normal. It is caused by a surge of hot coolant triggering the fan sensor. Perfectly normal.

The fan then should cut out after a while .. maybe 2-3 minutes at the most. If the fan runs continuously that suggests a fault in the temperature sensor switch.

Next time - wait by the car and see how long it takes for the fan to quit after you have parked up. It should stop of its own accord after a couple of minutes.

If the fan cuts off after a short while, and your battery is becoming drained, that's probably a battery or alternator fault.

Remember: when you start the car the fan won't kick in at idle speed because the engine is COLD, and there is no reason for the fan to start up ..
The fan WILL kick in for a couple of minutes after you have parked the vehicle and the engine is hot

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Check the power steering fluid if its low it could cause this. Also could be alternator, water pump, ac compressor, or idler pulley. My bet would be on the idler pulley, its the one that keeps the belt tension constant. Remove the belt and check this pulley for slack also spin it by hand.
Good luck, dont forget to rate.

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Got 1988 buick park ave.car wouldnt start,hooked


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If your engine has 250km or 150K miles you may need a chain soon.

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If the engine is not over heating then it is doing its job. The constant cycling is based on the temp of the air traveling through the radiator and the a/c condenser not the outside temp so much. The start up high rev is just how these clutches work in ford fans. It sounds like it is operating correctly.

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