Once in a while when I drive my wifes 99TL, I hear a funny
gurgling noise coming from the center dash area, almost
like someone is blowing bubbles???
Anyone hear this or know what it may be...
My guess is obviously the Hvac system, but what???

 

Nobody else....???
Not even one person.....??????

 

its the evaporation unit for the ac/heat. Its most likely clogged