Purchase a Purolator cabin filter. It comes with detailed instructions.
AC filter change required
If the filter is restricted, there won't be enough airflow to transmit any heat.
Check relay
were is the low pressure side ac port located on 2002 lincoln navigator
Change the filter and hit the reset button on the information center which is located above the radio. If the above fails take it to a dealer and have them reset it.
A 2002 Ram does not have a cabin air filter.
$23
It doesn't have an ac air filter.
Press the STATUS button on the dash, when it gets to AC filter press and hold the reset button.
it filters the outside air so that your car can use it for ac and not have to work so hard
Its called an AC cabin filter, it filters the air drawn in through your AC and Heater. Its located under the black plastic grill under the passenger side windshield wiper.
AC Delco PF46