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Cooling fan is intermittent

Tiny
PTELLEFSEN
  • MEMBER
  • 1998 LINCOLN TOWN CAR
  • 112,000 MILES
The car will over heat when the a/c is turned on
Saturday, October 15th, 2011 AT 3:47 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Does the cooling fan works when A/C is turned on?

Have you checked the engine coolant level?
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Saturday, October 15th, 2011 AT 8:15 PM
Tiny
PTELLEFSEN
  • MEMBER
  • 2 POSTS
I flushed, and filled the cooling system, changed the thermostat.
Some times the cooling fan turns on with the a/c some times it does not. I believe it is an intermittent relay. I am thinking that once it heat up, it stops working. I looked in my owners manual to see the location of that relay to test it, however it appears to control the fuel pump and not the cooling fan. Maybe it comtrols multiple devices or other relays. Could you comfirm the location of the cooling fan relay. I have strong back round in Electrical. I can test the contacts and coil. Thank you. Pete
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Sunday, October 16th, 2011 AT 8:03 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
There are in fact 2 relays, one each for hig and low speeds. It is inside the relay box indicated by #24. I could not find any information on the exact location.
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Monday, October 17th, 2011 AT 4:49 PM

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