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Posted on Mar 29, 2012
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I have a 2000 lincoln Ls V8 3.9.. The coolant boils, i relpaced the water pump as well as the thermostat. What causes the coolant to boil??

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oneStan

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  • Master 617 Answers
  • Posted on Mar 29, 2012
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1st, test the water pump and make sure with the belt off, that it turns freely now that you've installed it. Sometimes the impeller is not pressed on completely, and these don't turn properly.

Maybe you did this but just in case:

Always free spin anything installed , IE: water pump, oil pumps, alternator, generators, camshafts, crankshafts, etc., before moving to the next step.

2nd. Verify the belt installation. With today's serpentine belts, a wrong turn may cause the pump to run backwards, but seem correct. There should be a specific diagram under the hood or on the fender.

3rd. If the Belt's OK, Pump's OK, and you have properly installed the new Thermostat. (I have seen them installed upside down and they won't work that way.) If you filled it properly, making sure it was 100% full, then you may be dealing with a blown head gasket, cracked head, or a cracked cylinder wall.

I hope this helps & good luck!

  • jballr Dec 31, 2012

    Also check your cooling fan fluid. Make sure the fluid looks red and not pink. Sometime water can get in and it doesn't mix with the hydrolic fluid which in turn slows your fan. if you see that could be your problem, simply drain the cooling fan fluid and replace it with miracon V transmission fluid. they only used that method of cooling in 2000-2002 lincoln ls's so they don't manufacture the original cooling fluid any more

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fordexpert

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  • Lincoln Master 5,692 Answers
  • Posted on Mar 29, 2012
fordexpert
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Overheating or a cylinder head leaking compression into the water system.
The air bubbling can be mistaken for boiling.

If the car is overheating make sure the electric radiator cooling fans are operational. The relays triggering them may be bad or the fans themselves.

You may want to pressure check the cooling system and borrow the tools from autozone, or advance.

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  • Posted on May 10, 2021
James McFaden
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Yeah I'm doing this today. V8 LS coolant bubbling and leaking. Everything is operating fine, new thermostat and housing but you'll never be able to bleed all the air from the system when there's a crack in the reservoir. New tank is anywhere between $30-$100. No need in overthinking these things. Easy fix!

5 Related Answers

Anonymous

  • 31 Answers
  • Posted on Aug 08, 2009

SOURCE: 2000 Lincoln LS Overheating and leaking coolant

i just did this today, its the engine coolant bottle, they **** and crack, i guarantee its the bottle, its not a hard job, got to take the wheel off to get to bottom clamp, and then bleed the system thats all, buy a bottle for 60 bucks

dont listen to the other guy, he dont have a ls

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Anonymous

  • 674 Answers
  • Posted on Nov 18, 2008

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

no this manual wont work your LS is based on a Jaguar .
do you have the v6 or v8?

Anonymous

  • 155 Answers
  • Posted on Jul 08, 2009

SOURCE: Why is it overheating?

Sorry but its common for this year to have a hyd cooling fan motor to go bad along with the coolant degas tank breaking...you'll need ford pn# XW4Z-8K621-AA motor and a # 388898S washer to replace, along with the degas tank..don't forget p/s fluid to refill the system...BESURE you totally PURGE the cooling or it will O/Heat in 2 blocks ....hope this helps you...GL

Anonymous

  • 1129 Answers
  • Posted on Jul 15, 2009

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.

Curt Downs

  • 1779 Answers
  • Posted on Mar 21, 2010

SOURCE: My 2000 lincoln ls heater is still not working

Check the 'heater control valve,' which is attached to the heater hose line under the hood. If it is malfunctioning, it will prevent hot coolant from reaching the heater core, with the result being no heat. This is a $30 part, usually not too tough to get at, although I've never changed one on a Lincoln.

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1answer

I have a 2000 Lincoln LS 3.9 V8 the coolant reservoir is boiling over and leaking coolant after engine shut down please

check fan operation
if viscous fan hub --replace the hub
if electric fans , check coolant temp sensor , 2 fuses , fan relay and fans
When an engine is shut down , the coolant temp will rise as the heat is still in the cylinder walls and heads and the water is not being circulated
when it goes to instat boil , the engine temp is close to boil anyway
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My 2002 saturn boils over but does not overheat sometimes i will drive across town and all is fine sometimes i will drive 7 miles and reservoir will boil over.im guessing thermistat water pump or cap

Of the water is boiling them it has run hot. There is no way around this fact. Get a compression test done first. This should reveal if any damage has been done. Then address the boiling off problem. This can be a air pocket in the line, incorrect anti freeze mixture, sticking thermostat, water pump, cap, etc.
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I have a lincoln ls 2000 and where i put the water in it boils really hot what can this mean

I'm thinking a possible stuck or partially stuck thermostat as the easiest and least expensive fix.
There could be an obstruction somewhere if its not the thermostat...maybe a back flush is in order as well.

Hope this helps...
2helpful
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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...

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.
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7answers

2000 Lincoln LS Overheating and leaking coolant

i just did this today, its the engine coolant bottle, they **** and crack, i guarantee its the bottle, its not a hard job, got to take the wheel off to get to bottom clamp, and then bleed the system thats all, buy a bottle for 60 bucks

dont listen to the other guy, he dont have a ls
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2002 lincoln ls is overheating

fords are notorius for recalls on headgaskets if its boiling over i would have them checked
and be sure cooling fans are working first
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My 2001 lincoin ls gauge goes up to the h and then come back down

you probably have air trapped in the system. Have dealer or radiator shop bleed system.

I assume your cooling fan is working.

what engine v6 or v8?

SECTION 303-03: Engine Cooling 2001 Lincoln LS Workshop Manual
DESCRIPTION AND OPERATION Engine Cooling The cooling system components include the:
  • block heater (optional)
  • cylinder head temperature sensor
  • fan blade, fan motor and fan shroud assembly
  • radiator
  • pressure relief cap
  • degas bottle
  • radiator draincock
  • water pump
  • oil cooler (optional)
  • water thermostat
The water thermostat:
  • controls the engine coolant temperature.
  • allows quicker engine warm-up.
The degas bottle:
  • provides a location for system fill.
  • contains coolant expansion and system pressurization.
  • provides air separation during operation.
  • replenishes the engine coolant to the system.
The fan blade draws air through the radiator to help cool the engine coolant.
The fan motor:
  • operates only when the engine is running.
  • will not operate when the engine is off.
The engine coolant flows:
  • from the lower radiator hose to the water pump.
  • from the water pump to the engine block and the cylinder heads.
A closed water thermostat returns the engine coolant to the water pump. An open water thermostat allows the engine coolant to flow to the radiator.
Unsatisfactory coolant materials:
  • Alcohol-type antifreeze does not provide adequate water pump lubrication.
    • has lower boiling point
    • reduced antifreeze protection
  • Alkaline brine solutions will cause serious engine cooling system damage.
The cylinder head temperature sensor provides a signal to the temperature gauge.
  • will invoke failsafe cooling.
The optional block heater:
  • electrical heating element is installed in the block cooling jacket.
    • uses a standard 110V (220V in Europe) electrical supply
  • keeps the engine coolant warm during cold weather.
The auxiliary water pump (3.9L only):
  • provides heater coolant flow boost.
  • has a secondary function of providing engine-off cooling.
3helpful
1answer

Lincoln ls overheating

Cheap try is new radiator cap. If it cant pressurize the system the boil temp lowers considerably. If put new cap on and still over heat could have bad head gasket or a blockage in radiator...Cap is common and 10.00 to fix....
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