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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Mercury
Satisfied Customers: 6667
Experience:  ASE Master Certified. ASE Gasoline Engine Performance Certified,Ford Senior Master Technician
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I have a 2005 mercury montego ac blows cold while driving

Customer Question

I have a 2005 mercury montego ac blows cold while driving but dosent when its on idle
Submitted: 2 years ago.
Category: Mercury
Expert:  A. Penland replied 2 years ago.

Your 2005 Mercury Montego has two cooling fans. One low speed and the other high speed. Start the vehicle up and turn the AC on. Both cooling fans should be running when the AC is on. If only one is running, the cooling fans will have to be replaced as an assembly.
The cooling fans pull the air through the condenser for the AC system to help it cool down inside the vehicle. When you are driving, the air is forced through the condenser, and at idle, it needs the cooling fans to pull the air through.