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Thermostat replacement

Tiny
POLOZX12
  • MEMBER
  • 2004 LINCOLN LS
  • V8
  • 2WD
  • AUTOMATIC
  • 78,000 MILES
If my thermostat doesn't does open what are some symptons of that?
Monday, December 28th, 2009 AT 4:22 PM

11 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
If thermostat does not open then engine will begin to overheat and heater will not blow warm air correctly. Here is a guide to help walk you through the steps of the thermostat replacement with instructions and the thermostat location in the diagrams below for your car.

https://www.2carpros.com/articles/replace-thermostat

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Sunday, January 17th, 2010 AT 8:28 PM
Tiny
FONNER
  • MEMBER
  • 1 POST
  • 2004 LINCOLN LS
  • V8
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
Can you let me know the location and how to replace the thermostat on my 2004 Lincoln LS V8?

Thank you,

David
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Tuesday, August 20th, 2019 AT 12:45 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Remove the air cleaner outlet tube.
Drain the cooling system.
Disconnect and position the lower radiator hose out of the way.
Remove the bolts and the thermostat housing.
Remove the thermostat and the O-ring.

To install:

NOTE
Clean all the sealing surfaces and inspect the O-ring seals thoroughly.

Replace the thermostat and the O-ring.
Install the bolts and the thermostat housing.
Connect the lower radiator hose.
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Tuesday, August 20th, 2019 AT 12:45 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,542 POSTS
  • 2003 LINCOLN LS
  • 97,000 MILES
How do you change the thermostat on a V8 Lincoln LS. Can I do it myself?
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Tuesday, August 20th, 2019 AT 12:45 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It's not to hard, if you know where it is drain coolant below the tstat and remove bolts to housing remove tstat clean surfaces installl new tstat and gasket refill coolant
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Tuesday, August 20th, 2019 AT 12:45 PM (Merged)
Tiny
HPEEL24
  • MEMBER
  • 2 POSTS
  • 2002 LINCOLN LS
  • V8
  • 2WD
  • AUTOMATIC
My heater wasn't working while I was driving, it only heated up and blew hot air when the car was idoling. So, someone told me it was my thermostat when it did that. So I replaced the thermostat and now the car doesn't blow hot air at all. What could the problem be if it blew hot air before we replaced the thermostat only when the car was idoling and not driving. But now it doesn't blow hot air when idoling or driving. Hope you can help me, thank you so much.
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Tuesday, August 20th, 2019 AT 12:45 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Was air bleed valve open during filling?
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Tuesday, August 20th, 2019 AT 12:46 PM (Merged)
Tiny
HPEEL24
  • MEMBER
  • 2 POSTS
Im not sure, im not the one that put it on. But someone did say maybe I need to burp it, whatever that means. Does that sound right to you?
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Tuesday, August 20th, 2019 AT 12:46 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Air must be removed open valve cap off fill till coolant comes out valve
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Tuesday, August 20th, 2019 AT 12:46 PM (Merged)
Tiny
JEDHEAD1985
  • MEMBER
  • 5 POSTS
  • 2002 LINCOLN LS
  • 165,000 MILES
Is there 2 thermostats in the 2002 Lincoln Ls, I changed one thermostat, changed the waterpump and bypassed the heater core and my car is still over-heating. Someone told me that it was two thermostats in the Lincoln LS but i'm not sure what to make of it. Can you please help me.
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Tuesday, August 20th, 2019 AT 12:46 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Have coolantsystem pressure checked for leaks may be ahead/intake gasket check for cold spots on radiator when overheated, if there are the rad is bad.
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Tuesday, August 20th, 2019 AT 12:46 PM (Merged)

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