Question about 1994 Ford Mustang
'97mustang 3.8. when you turn on the a/c, the cold air blows out the defrost vents only. No matter what position the control is on.What should I look at? I have the same problem on a 94 gt it will blow hot and cold but it is always out of the defrost. What do I need to do to fix it?
You have a vacuum leak,defrost is the default postion(no vacuum).Look under the hood on the passenger side at the firewall and find the small black vacuum line that goes inside the car.Trace this line back, you will find it goes to a black canister(which is the reserve supply) then it will leave this and go to a vacuum port on the intake manifold.You will most likely find a leak somewhere in theis line.
Posted on Feb 05, 2009
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Posted on Jan 02, 2017
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