No heat!! from a Viper that is rare!!

BlueLIGHTNING

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Was out last night and it was extremely humid and hot. The windshield fogged right up and when I tried to put some heat to it nothing came out but cold humid air which made it worse. Couldn't see anything had to pull over. Any ideas why heat wouldn't work?
 

HollywoodGTS

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BL - Sometimes the heater control line pops out of the clip that holds the line in place. It's on the passenger side near the air intake box. Or you could have air in the cooling system.
 
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jdeft1

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Does your A/C work? When you switch to defrost the A/C comes on to remove the moisture from the air. Adding heat with no A/C will only cause the window to fog.

Cheers
 
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BlueLIGHTNING

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I had a complete change of every fluid on the car done in May including rad flush.
 
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BlueLIGHTNING

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Thanks Hollywood that is exactly what happen the wire loop popped of the little arm that controls the flow. Thanks guys for all the help something simple but had to have a second good look to see it was actually out of place.
 

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