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Overheats on freeway

Tiny
MICHAEL BORELLI
  • MEMBER
  • 1999 CHRYSLER CONCORDE
  • 3.2L
  • 2WD
  • AUTOMATIC
  • 327,000 MILES
Car slowly overheats while on highway. Both cooling fans work, but not on high speed. Both fan winding's show a short between the yellow and green wires. I thought these were to be separate winding's.
Sunday, September 1st, 2019 AT 8:45 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Welcome to 2CarPros.

If it is overheating at highway speed, this has nothing to do with the fans. Confirm the radiator isn't blocked with dirt and debris. Next, I need to know if there is any coolant loss. This could be related to a head gasket issue.

Let me know. If there is coolant loss, there check for leaks and check for a head gasket issue. Here are links to help:

https://www.2carpros.com/articles/coolant-leak-symptoms

https://www.2carpros.com/articles/car-is-leaking-coolant

https://www.2carpros.com/articles/head-gasket-blown-test

Let me know what you find.

Joe
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Monday, September 2nd, 2019 AT 6:16 PM

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