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My 2000 lincoln ls 3.9v8 is running hot i have done change the radiator ,thermostat and bled system

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Your electric cooling fan needs to work. It may have 2 speeds and both need to work.

Posted on Aug 13, 2017


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Posted on Jan 02, 2017

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SOURCE: 2000 Lincoln ls overheating

There is a hose on the side of the coolant resevoir that has a straight blade screwdriver fitting in it. Open the fitting and this will bleed the heads on the LS. Without opening this you will never get the air out of the head, trust me.

Posted on Nov 11, 2008

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SOURCE: 2000 lincoln ls heater not working...thermostat?

- If temp guage reads normal, the lack of heat may be due to the Heater Control Valve. Located in front of the radiator. Lower passenger side. A real bugger to replace.
- The plastic cap just over the thermostat is key in re-filling the anti freeze and bleeding air.

Posted on Dec 25, 2008

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SOURCE: 2001 Lincoln LS running hot.

Change the thermostat. it is located at the end of the a radiator hose. The hose attaches to the thermostat housing outlet . The thermostat is under the housing. Also have it scanned for a trouble code . It could be the temperature control sensor.

Posted on Jan 11, 2009

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SOURCE: 2000 Lincoln LS v8 engine missing

Most likely what has happened is that when the thermostat went out the engine over heated and the seal of the valve gaskets to the plastic valve covers got warped and you ahve oil the has dumped into the coil pack area and it has caused 1 or more of the coil packs to go bad as solution #1 has explained. get the gaskets replaced, it sounds like your husband is handy. Its not a difficult procedure just a little time consuming. research the coil packs because at the dealership they are very expensive. People have had alot of good luck buying them on ebay.

Posted on Aug 17, 2009

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SOURCE: my lincoln ls v-8,is running hot after i changed

About the only thing left is the radiator. First, and cheapest, is have your radiator cap checked to ensure it is holding to the pressure spec for your car. It may just be cheaper to repalce the cap.

Check the radiator hoses for leaks or kinks.

The core may be plugged and in need of a flush...

Sometimes it's hard to tell if a radiator has enough flow. Here's a couple of quick tests. Although they're not as good as removing the radiator and flow checking it with a machine at the radiator shop, they can be done on the car and are fairly easy.
Feel the radiator fins as the engine warms up. As the thermostat opens, the entire radiator should start to get warm .WATCH OUT FOR THAT FAN!!!!!!!!!!!!!!! If only part of the radiator gets warm, it may be clogged in the cold areas.

Remove the radiator cap with the engine cold. Squeeze the top radiator hose to get a "feel" of how it squeezes under zero pressure. When the thermostat opens and you can see the coolant circulate, replace the cap and IMMEDIATELY rev the engine up (3000 RPM or so) while squeezing the top radiator hose. The hose should remain fairly easy to squeeze. With a clogged radiator, you can actually feel the hose "stiffen up" and get hard to squeeze as the engine speed increases.

The best flushes are two part: a strong acid and a neutralizer. The one part flushes aren't as strong. The strong flushes get rid of more scale and deposits, but you run the risk of 'eating through" the extremely thin and cheap radiators and heater cores they have today.
Prestone and others make a "backflush adapter" which fits in a heater hose and accepts a garden hose.
No matter how you do it, I'd replace both the top and bottom hoses, bypass and heater hoses, and possibly the thermostat.
When you remove the bottom hose almost all the coolant will drain out of the system. You really shouldn't just dump this coolant: be a little "green" and at least pour it down a drain so the wastewater treatment plant can deal with it before it gets in the groundwater!. The best is to go to your regular mechanic and let him put it in his coolant recycling tank. Mechanics are required by law to have one.
Fill the system with water. If you decide to use flush, add it at this time. Start the engine and let it warm up. It might be necessary to hold your hand over the radiator filler while squeezing the top hose: the thermostat will be closed and may keep the water from circulating. If no water touches the thermostat, it WILL NOT OPEN AND OVER HEAT YOUR VEHICLE!!! I always drill an 1/16 inch hole in the flange of a thermostat to keep it from "air locking" like that: the better thermostats already have a bypass hole for this purpose.
Once it is warm, follow the can directions regarding the flush, if you use it. If you aren't using flush, skip these next few steps.
If iut's a 2 part flush, remove the bottom hose or open the radiator drain **** if it has one. (the drain **** will usually be on the opposite side from the bottom hose inlet on the rad. After it drains, replace the bottom hose and refill the system as outlined above. After it has been refilled, remove the top hose. Get a piece of pipe that fits either over or inside the top hose: this will make this step a lot neater.
Put a hose in the radiator filler and turn it on. Run the engine. Fresh water is being added by you via the radiator, the water in the engine is being pumped out of the top hose. Run water through it until the water exiting the top hose runs clear.
Re-attach the top hose and add the neutralizer, if a 2 part flush. Drain and repeat both of the above steps to remove the neutralizer from the system. If a one part flush, as soon as the water runs clear you are ready for coolant. Drain the system as outlined above.
Reattach all hoses, put in the antifreeze first. Complete the fill with water.

Posted on Dec 12, 2009

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How do I bleed the cooling system?

Turn the heat control to max and remove radiator cap - add coolant as much as possible. Make sure overflow container is filled to correct level - then Start car and run - after the thermostat opens water level may go down some - keep adding coolant till it is totally full. Turn engine off and put radiator cap back on tight.

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check, temperature of upper radiator hose vs. lower radiator hose, also if there are any cold spots in radiator usaully indicates bad thermostat. all hoses and surface of radiator should be hot in order to keep engine cool

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First thing to check is probably a stuck thermostat. Then the water pump. Head leak. The price and ease of most thermostats is usually replaced first, then further troubleshooting if needed.

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Lincoln LS 2000 keeps over heating. Changed thermostat. Still overheating!

Could be several things - you will need to figure out if the cooling system is working or if the engine is producing extra heat such as with a restricted exhaust.
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do you have heat when it is overheating? if not sounds like a head gasket. if u do have heat i would check the front of the radiator to see if it has debris stuck to the front of it

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2000 lincoln ls 3.9 overheating

Do a radiator pressure test, tools can be purchased at the local auto parts store. It may be that tyou have a blown headgasket and it builds an airpocket below the thermostat and will insulate it and not allow it to open. Another way to test is to take off thermostat housing and pull thermostat and start engine but do not rev it up. Water must be to top of housing... In some cases if air bubbles appear it will mean blown head gasket... The problem with this is it may only happen when engine is at operating temperature. Car can be driven and warmed up in first method, pressure will always rise but if it rises quickly it would be head gasket.

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there is a coolant cap on the overflow bottle check it for seal
i'd just replace it
also if you put the new thermostat in backward the overheating would be significant

Apr 21, 2009 | 2000 Lincoln LS

5 Answers

2000 Lincoln ls overheating

There is a hose on the side of the coolant resevoir that has a straight blade screwdriver fitting in it. Open the fitting and this will bleed the heads on the LS. Without opening this you will never get the air out of the head, trust me.

Sep 26, 2008 | 2000 Lincoln LS

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