Question about 2004 Chevrolet Blazer
I have a problem with the heat in my 2004 Blazer. When I trun the control to heat (floor), the defrost (windshield) goes on. There is no heat on the floor and I can hear the defrost working (you know the sound it makes). The heat works fine otherwise but my feet are freezing off! Any ideas? Thanks.
Many vehicles have a vacuum actuated valve (or flap) internal to the console vent plumbing. The vaccum line going to this valve/vac solenoid may be bad, unhooked or not functioning. In GM products, IIRC, the vac lines inside the vehicle are made of hard plastic, off-white in color (some have a slight green tinge) and are not easily flexible.
Check down under the dash where the floor output is and see if you see some of the plumbing of which I write. Then check to see if there are any loose lines, etc.
Posted on Mar 04, 2009
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Posted on Jan 02, 2017
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