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2011 Fusion - Low heat

Discussion in 'Heating and Air Conditioning' started by Xfiles67, Feb 10, 2018.

  1. Xfiles67

    Xfiles67 New Member

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    Hello, have an issue with my Fusion V6, recently over the last 3 weeks, there are times the heat is not warm, even on the highest setting.

    Prior to the the heat would roast you out at 72-73*, now at times at 78 it's only luke warm.

    The coolant was a tad low, purchased the proper, super duper expensive, Motorcraft antifreeze and topped off, less than half a gallon. That eased the issue, checked today after cool heat and it was a bit low, not much though.

    I've not been able to find any external leaks.

    Could this be a sticky t-stat?

    Thanks
  2. Dominick 1

    Dominick 1 Well-Known Member Respected Member

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    Welcome to the Forum
    You may have to have codes pulled to see what the problem is
    Autozone will do it for free.
    also try the Fusion Forum to see if it helps
  3. Dominick 1

    Dominick 1 Well-Known Member Respected Member

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    http://www.fordforumsonline.com/forums/ford-fusion.52/
  4. Action

    Action Moderator Staff Member Respected Member

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    Welcome to the FFFO!

    The lack of heat inside the vehicle id directly related to the low coolant. The thermostat is NOT the issue.

    There is a leak externally or internally. If there is no external leak, the coolant could be leaking internally from a head gasket or a break in some metal piece. Both would be kind of rare. To determine if you have a leak a cooling system pressure test should be done. Many shops have this tester.

    >>>>>>>>>>>>>>Action

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