There is a simple fix for Why The Vents Don't Work On Your Crown Vic F150 or Mercury Grand Marquis.
If your AC does not blow out the AC vents but will only blow out of the defrost and or the floor its most likely your Climate control vacuum module that is at fault, this part is quit expensive to replace, but you don't have to replace it, you can just replace the O rings in the vacuum module, I'll show you how to do it as we fix the Momma's Mercury Grand Marquis so she can be comfortable riding down the road in her beloved old hoopty she calls Betsy

Get the O rings hear https://www.amazon.com/dp/B000FN0WYG?...

Super Lube https://www.amazon.com/dp/B0081JE0OO?...

#climate control #vent