Question about 2005 Lincoln LS

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My 2005 linclon ls is having a problem with the cooling system. I have plenty of coolant but my air blows out at the hottest setting only. Not just vent air but it blows like the heater is turned up all the way. What do I need to do? This is a V8 engine

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The solution lies in determining if the heater control is bad or the heater control valve is bad.
If you remove the heater control and using a ohm meter check the resistance on the control while disconnected from everything. When connected to the ohm meter you can turn the control knob and you should see less resistance as the knob moves from cold to hot. If the control checks out then it likely to be the valve assembly. Just order a new heater valve and replace.

Posted on Jul 30, 2010

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Try this...I found it on the web.

The cooling system in these cars must be bled. That is all the air removed after the cooling system is serviced. Set the heating controls to full heat & open the bleeder screw, which is probably located at or near the thermostat housing until coolant flows smoothly out. Leave the screw open for an additional 10 seconds & you should be all set

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Heater on my 2001 Lincoln LS blowing cool air. Engine fan keeps coming on. Temp gauge goes up to highest level, then returns to midpoint. Does not overheat. Are all of these things tied together and how...


Yes more then likely it's all tied together... Check the coolant level it's probably low or you need to bleed the air out of the cooling system...

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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.

Aug 31, 2010 | 2000 Lincoln LS

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2002 lincoln ls blows cool air on driver side but warm air on passenger side


It is likely that the Coolant Control Valve on your car has failed. This valve is located on the passenger side of the radiator fan shroud near the bottom and has 3 coolant hoses connected to it. This valve regulates interior duct temp by changing the amount of water flow to the heater system.

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Lincoln lse 2005 ac blowing hot air on left side!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


If your LS is blowing hot air on one side of the dash and cold on the other the problem most likely is the Dual Coolant Control Valve. The DCCV is used to control cabin temperature. This valve is mounted down low on the passenger side of the radiator fan shroud, and has 3 coolant hoses connected to it. This valve if found to be faulty will need to be replaced to correct the condition.

Jun 23, 2009 | 2005 Lincoln LS

1 Answer

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.

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1 Answer

05 silverado running hot


Hi!
Look like you may have an air lock.
Put the car on level ground, start it from cold with the coolant filler cap off, have plenty of warm/hot water available.
Leave to idle watch the coolant filler area but NOT TOO CLOSE, when at operating temp it may appear to boil over loads of bubbles, gurgling and some steam, top the coolant system up with the warm water wait until things settle then replace cap you may have to do this a couple of times.
Remember your anti freeze?
Good luck!
Paul 'W'
Onyer~EDson(:0) {#><U.K.

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2 Answers

2000 Lincoln Ls Heater blowing cool air


You also could have air in your coolant system. You can't just add coolant on these models after you drain the system or let it run low on coolant. The degas bottles on these models also have a flaw, where they crack along a seam. Sometimes coolant will leak, sometimes not, depending on how high the crack is on the bottle. But what it is guaranteed to do is allow air into your system, which can cause havoc with overheating (air surrounds the thermostat so it doesn't open) and keep coolant from flowing, particularly through the highest point in the system: the heater core. There is a heater core bleeder valve attached to a line near the top of the degas bottle (next to the expension line up top) with a plastic, flathead srewdriver face. Turn the heat on high and run the system at idle for 5 minutes. Then open the valve and keep it open until a steady stream of coolant comes out. (It's like bleeding your brakes.) That will clear any air from the system and at least give you peace of mind that this is not your problem. Then run the motor at 2000 rpms, with the heat still on high, for about 5 minutes or until hot air starts coming out. Release the bleeder valve again until a steady stream comes out. Then let the system cool and check your coolant level and fill as needed. I'd pull the degas bottle and inspect it...should have been a recall.

Dec 13, 2008 | 2000 Lincoln LS

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