Does anyone have this problem with there cadillac?

[ms_deville91]

My 1991 cadillac seens like something is blocking the air flow it blows cold but it doesnt blow far does anyone know wat i can do or wats going on?

 

[People are idiots]

it is very common, it needs a new johnson rod in the ventilation system. They tend to bend very easily and causes restriction in the vents.