air cond / heater on 2005 Nissan Titan

the ac & heater blows minimal air or heat out any vent when on high

Asked by for the 2005 Nissan Titan
change or take out the vent filter behind the glove box.
2 more answers , 1 more comment
you need to replace the blower resistance.
i also have a 2005 model and mine blows wide open even when on low
Same problem wiht a 2007 with less than 2007, very dissapointed in this happening so early in life of vehicle.