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Engine overheating

Tiny
BRIANM1
  • MEMBER
  • 4 POSTS
  • 2001 LINCOLN LS
  • V8
  • 2WD
  • AUTOMATIC
  • 183,000 MILES
Engine Cooling problem
2001 Lincoln LS V8 Two Wheel Drive Automatic 183000 miles

i have an 01 Lincoln LS. And my car keeps on overheating. I got it repaid once where they changed the cooling fan. But now a month after the repair it is overheating again. The fan seems to be working fin, but my coolant is boiling up within 5 mins of operation.
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Thursday, June 1st, 2017 AT 3:19 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
The thermostat may be faulty, remove and test the thermostat
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Thursday, June 1st, 2017 AT 3:19 PM (Merged)
Tiny
BRIANM1
  • MEMBER
  • 4 POSTS
Thanks.
Doe it change anything if my car also drains coolant
when I shut it off?
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Thursday, June 1st, 2017 AT 3:19 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Where is the leak coming from? Could still be faulty thermostat.
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Thursday, June 1st, 2017 AT 3:20 PM (Merged)
Tiny
BRIANM1
  • MEMBER
  • 4 POSTS
It leaks out right below the reservoir
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Thursday, June 1st, 2017 AT 3:20 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Can you see a crack in the reservoir ?
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Thursday, June 1st, 2017 AT 3:20 PM (Merged)
Tiny
BRIANM1
  • MEMBER
  • 4 POSTS
No I dont see any cracks. My car has been sitting in my garage for a few days and the rest hasnt leaked out.

Im guessing and hoping the thermostat is the cheapest soloution
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Thursday, June 1st, 2017 AT 3:20 PM (Merged)
Tiny
DENNISTEN
  • MEMBER
  • 2 POSTS
I had the same problem. I discovered at the dealer there is an auxiliary water pump on the engine that if it fails the cooling system will airlock. The auxiliary pump is apparently for the heating system and is located on the firewall side of the engine.
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Thursday, June 1st, 2017 AT 3:20 PM (Merged)
Tiny
KRJ088
  • MEMBER
  • 1 POST
  • 2000 LINCOLN LS
2000 Lincoln LS V8 Front Wheel Drive 83000 miles

The car overheats when you drive it over 30 miles per hour, my mechanic thinks it could be a head gasket but there is no water in the oil and the car idles and runs perfect. He said he checked the fans, water pumps. When the car just starts to overheat you can hear a noise like a fan that has not been there until this problem came about
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Head gasket? Whoa. Slow down mechanic, check the thermostat and engine coolant temp sensor. Be careful of these mechanics. Some of them are very crooked and will take you for a ride the first chance they get.
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
When they start making suggestions about fixes with price tags like that, always, alway go for a second opinion
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
HOGMANMIKE
  • MEMBER
  • 16 POSTS
I would check to see if the Hydraulic fan is working
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
KSLAPP
  • MEMBER
  • 10 POSTS
  • 2001 LINCOLN LS
  • 170,000 MILES
Why is it that when I drive my car 4 like 10mins the gage goes 3/4 about to overheat but when I turn the heat up all the way it gradually goes down to around half. Its been doing this for like 2 weeks now and I got to keep the resovoir full of antifreeze almost to the top. I got no leaks new thermostat water pump and radiator got flushed. What else could it be
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Get a kit and ck. For a blown head or gasket. Does it boubble in the overflow jug?
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
KSLAPP
  • MEMBER
  • 10 POSTS
Yeah u can hear the bubbling in the overflow jug once I pop the hood up after driving.I took a test chemical test for the head and came out good. It seems like air is getting in there could that be the intake valve gasket that air is coming from
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
  • 33,867 POSTS
Hi guys. Excuse me for butting in, but my vote is for corroded cooling fins on the radiator. The clue is the temperature comes down when running the heater. Dandy observation, by the way. You're heating the air by blowing it over the heater core which is a small radiator. If I'm right it will run hotter at highway speed when you have more natural air flow because that air isn't doing anything to remove the heat from the coolant but the engine is producing more heat than when driving slower.
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
KSLAPP
  • MEMBER
  • 10 POSTS
  • 2001 LINCOLN LS
  • 170,000 MILES
I drove my car like 20 miles the gage start creeping up towards the 3/4 mark and when I got home and parked it and turned the car off my hose blew off from the thermostat housing it did that b4. Remember I got the water pump changed and the thermostat changed and a flushing and my fans r on. So what u think it could be
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
KSLAPP
  • MEMBER
  • 10 POSTS
Aw yeah I took the chemical test for head gaskets and that came out good and r there bleeding valves on my car 4 the coolant system.3.9 Lincoln ls 2001 8 cyclinder
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Chemical tests are not always accurate.

The head gasket may have been damaged from the first issue. A leak down test will confirm it with accuracy.

Roy
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)
Tiny
MMAURO11595
  • MEMBER
  • 1 POST
  • 2001 LINCOLN LS
  • V8
  • AUTOMATIC
  • 180,000 MILES
Hi, I am having a problem with my Lincoln Ls I have change the coils oil gas filter water pump and the thermo and the car is still over heating. I don't know what else can be wrong with it.
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Thursday, June 1st, 2017 AT 3:21 PM (Merged)

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