heater on 1999 Mercury Villager

i have replaced the blower motor resistor,fan swich and heater swich and now the blower motor and i can hear the fan working and it is turning but only a little heat is comming through the vents and it is hot but no pressure

by in Wichita, KS on November 21, 2009
1 answer
ANSWER by , December 15, 2009
Maybe your cabin air filter is clogged